Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

Alpha Spray Ingredients & Drug Interactions

by IMSOALPHA

Alpha Spray label
See full label image
Liquid Category: Other Combinations
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Alpha Spray against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Major

Alpha Spray is a dietary supplement by IMSOALPHA with 5 active ingredients. Its ingredients are commonly taken for anxiety and stress, sleep problems, relaxation.Based on those ingredients, 791 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are GABA, Longjack, Macuna pruriens. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Alpha Spray by IMSOALPHA

Ask about any prescription or over-the-counter medication and we check it for interactions with Alpha Spray by IMSOALPHA — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Alpha Spray by IMSOALPHA

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 12, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 5 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (27,250 ng) without saying how much of each component you get.

Alpha Spray contains five active ingredients. GABA is a neurotransmitter your brain uses for relaxation and sleep.

Deer Antler Velvet is an animal-derived ingredient studied for potential benefits to bone and athletic recovery. Alpha-GPC is a phospholipid compound that supports brain cell function and has shown promise for memory in people with Alzheimer disease.

Macuna pruriens (also called cowhage) is a tropical plant seed containing levodopa, the same active compound used in Parkinson disease medications. Longjack (Eurycoma longifolia) is a plant root traditionally used in Southeast Asia, with some evidence suggesting it may support sexual interest in aging men.

The product also contains inactive ingredients: distilled water, natural flavors, citric acid, and potassium sorbate as a preservative.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: support decreased body fat, increased strength and muscle.
  • We looked for evidence on: Athletic performance, Muscle strength, Obesity, muscle hypertrophy, lean body mass.
  • The closest evidence on file: Eurycoma Longifolia is rated "Possibly Ineffective" for Athletic performance (Natural Medicines).
  • Also on file: Gamma-aminobutyric Acid (gaba) is rated "Insufficient Reliable Evidence To Rate" for Athletic performance, Obesity.
  • Also on file: Deer Velvet is rated "Insufficient Reliable Evidence To Rate" for Athletic performance.

The evidence in our data supports only limited claims. Longjack is rated possibly effective for sexual desire; Alpha-GPC is rated possibly effective for Alzheimer disease.

For the other uses listed—GABA for anxiety, athletic performance, ADHD, and chronic bronchitis; Deer Antler Velvet for wound healing, heart disease, high blood pressure, bone health, sexual desire, and aging; Macuna pruriens for anxiety, Parkinson disease, and rheumatoid arthritis; and Longjack for athletic performance and back pain—the evidence is insufficient to rate them. In other words, we don't have reliable data that these ingredients work for those purposes.

The evidence, ingredient by ingredient Gamma-aminobutyric Acid (gaba) Deer Velvet Alpha-gpc Cowhage Eurycoma Longifolia

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 4 of the 5 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 5 of 5.
  • General safety write-ups exist for 5 of 5.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

GABA appears generally well tolerated short-term, though long-term safety is not well studied. The most common side effects reported in studies are drowsiness, stomach upset, throat burning, muscle weakness, and nausea.

One case of temporary loss of menstrual periods was reported. Deer Antler Velvet and Alpha-GPC are generally well tolerated in short-term use, but long-term safety for both is not fully established.

Alpha-GPC has rarely been linked to dizziness, headache, insomnia, and gastrointestinal symptoms; very rarely, stroke has been reported with oral use lasting two months or longer. Macuna pruriens is generally tolerated, but because it contains levodopa (an active drug), it should be used with professional guidance.

Common side effects are diarrhea, flatulence, and dry mouth; when taken in larger amounts, nausea, abdominal bloating, and vomiting have been reported. About 3% of people in one study reported insomnia.

Longjack is generally tolerated short-term, but long-term safety is uncertain. If it raises testosterone above normal levels, risks include acne and liver problems.

Side effects, ingredient by ingredient Gamma-aminobutyric Acid (gaba) Deer Velvet Alpha-gpc Cowhage Eurycoma Longifolia

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 5 of the 5 matched ingredients can interact with medications — Gamma-aminobutyric Acid (gaba), Deer Velvet, Cowhage, Alpha-gpc, Eurycoma Longifolia.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: diabetes medications; Parkinson's medications.
  • For scale: 791 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking Alpha Spray, double-check these medication types with your pharmacist: methyldopa or non-selective MAOIs (Major risk of dangerous blood pressure changes), levodopa or any Parkinson medications (Major risk of serious side effects), blood pressure medications including guanethidine (Moderate to Major risks), antipsychotics (Moderate risk of reduced effectiveness), tricyclic antidepressants (Moderate risk), antidiabetes medications (Moderate risk of low blood sugar), and anesthetics used during surgery (Moderate risk of irregular heartbeat). Propranolol, birth control pills, estrogen supplements, and scopolamine patches carry Minor risks.

If you take any prescription medication, use the checker on this page to verify your exact drugs.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Major medication interactions have been identified, and safety information is well characterized.

Alpha Spray is best approached with caution, especially if you take blood pressure medications, antidepressants (especially MAOIs or tricyclics), antipsychotics, diabetes medications, or are about to have surgery. The ingredient Macuna pruriens carries the most serious interaction risks.

Talk to your pharmacist or doctor before starting, particularly if you're on any prescription medication.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 5 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 19, 2021.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Alpha Spray, straight from the product label.

Brand IMSOALPHA
Barcode (UPC) 728028335620
Net contents 1 Fluid Ounce
Market status On market
Date entered into DSLD Nov 19, 2021
DSLD ID 256240
Product type Other Combinations
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Alpha Spray by IMSOALPHA, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
4 Spray(s)
Maximum serving Sizes:
6 Spray(s)
Servings per container
30
UPC/BARCODE
728028335620
IngredientAmount% DV
Proprietary Blend27250 ng--
GABA0 NP--
Deer Antler Velvet0 NP--
Alpha GPC0 NP--
Macuna pruriens0 NP--
Longjack0 NP--

Other ingredients: distilled Water, Natural Flavors, Citric Acid, Potassium Sorbate

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

Imsoalpha's Alpha Spray may support decreased body fat, an increase in strength, muscle tone and muscle size, an improved immune system, and a reduction in joint soreness.

Hormone free

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, spray four (4) to six (6) sprays under the tongue and swallow at bedtime. May repeat in the morning if desired for added benefit.

Precautions

Warning: Do not exceed recommended dose. Discontinue use and consult your physician if any adverse reactions occur.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Do not use if tamper evident seal is missing or broken.

Keep out of reach of children.

Storage

Store in a cool, dry place.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Formula

Secretagogue with deer antler velvet

36,000 NG

FDA Statement of Identity

Dietary Supplement

General Statements

Like us: Facebook.com/imsoalpha

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Alpha Spray by IMSOALPHA label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Alpha Spray label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Alpha Spray by IMSOALPHA

These are the 5 active ingredients this product is made of. Select any to open its full monograph.

Serving size4 Spray(s) Dosage formLiquid Servings per container30 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Proprietary Blend

27250 ng per serving

Other (inactive) ingredients: Distilled Water, Natural Flavors, Citric Acid, Potassium Sorbate. These complete the product’s ingredient list but are not active constituents.

Interaction report

Alpha Spray by IMSOALPHA Drug Interactions

Want to check YOUR meds against Alpha Spray?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
791Drugs
17 Major 343 Moderate 431 Minor

Ingredients driving the most interactions

GABA 419
Longjack 248
Macuna pruriens 193
Deer Antler Velvet 52
Alpha GPC 16

Individual Drug Interactions

The ingredients in Alpha Spray interact with 791 drugs. Click any drug to see the details.

5 of the 5 ingredients in Alpha Spray interact with drugs. Each result below shows which ingredient is responsible. GABA Longjack Macuna pruriens Deer Antler Velvet Alpha GPC

Each ingredient & the kinds of drugs it affects

For each ingredient in Alpha Spray with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

GABA2 drug types · 419 drugs

Antihypertensive Drugs

Theoretically, taking GABA with antihypertensive drugs might increase the risk of hypotension.
Some clinical research shows that GABA can decrease blood pressure in patients with hypertension.

Likelihood Possible Evidence B
Cns Depressants

Theoretically, GABA might have additive sedative effects when used in conjunction with CNS depressants. However, it is unclear if this concern is clinically relevant.
Endogenous GABA has well-established relaxant effects and GABA(A) receptors have an established physiological role in sleep. However, the effects of GABA supplements are unclear, as it is unknown whether exogenous GABA crosses the blood-brain barrier. Although there have been limited reports of drowsiness or tiredness with GABA supplements, these effects have not been widely reported in clinical studies. Additionally, intravenous GABA 0.1-1 mg/kg has been shown to induce anxiety in a dose-dependent manner.

Likelihood Unlikely Evidence D
GABA full monograph & interactions

Longjack5 drug types · 248 drugs

Propranolol (Inderal)

Eurycoma longifolia can reduce the levels and clinical effects of propranolol.
A small clinical study in healthy persons shows that taking a single dose of a water-based Eurycoma longifolia extract 200 mg, in combination with a single dose of propranolol 80 mg, reduces the propranolol area under the curve (AUC) by 29%, reduces the peak concentration by 42%, and increases time to peak concentration by 86% when compared with control. Since the elimination half-life of propranolol did not change, it seems that Eurycoma longifolia alters the kinetics of propranolol by decreasing its absorption in the gut, and not by altering its metabolism. It is not known if separating administration will prevent this interaction.

Likelihood Probable Evidence A
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, Eurycoma longifolia might increase levels CYP1A2 substrates.
In vitro research suggests that methanolic Eurycoma longifolia root extract weakly inhibits CYP1A2 enzymes. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2A6 (Cyp2A6) Substrates

Theoretically, Eurycoma longifolia might increase levels of CYP2A6 substrates.
In vitro research suggests that methanolic Eurycoma longifolia root extract weakly inhibits CYP2A6 enzymes. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, Eurycoma longifolia might increase levels of CYP2C19 substrates.
In vitro research suggests that methanolic Eurycoma longifolia root extract weakly inhibits CYP2C19 enzymes. This effect has not been reported in humans.

Likelihood Possible Evidence D
Testosterone

Theoretically, Eurycoma longifolia may further increase levels of testosterone.
A clinical study in aging males with testosterone levels below 300 ng/dL shows that taking a specific water extract of Eurycoma longifolia roots (Physta; Biotropics Malaysia) 100-200 mg daily with breakfast for 12 weeks increases total testosterone levels by 8% to 11% when compared with placebo. It is unclear whether this increase would occur in individuals with normal testosterone levels.

Likelihood Possible Evidence D
Longjack full monograph & interactions

Macuna pruriens8 drug types · 193 drugs

Levodopa

Concomitant use can increase the risk of levodopa-related adverse effects.
Cowhage contains levodopa. Some cowhage products have been standardized to contain 75-400 mg of levodopa per dose.

Likelihood Likely Evidence D
Methyldopa (Aldomet)

Theoretically, concomitant use of cowhage and methyldopa might increase the risk of hypotension.
Cowhage contains levodopa. Use of levodopa with methyldopa might cause additive hypotension. In addition, methyldopa may inhibit peripheral decarboxylation of levodopa and increase levodopa levels in the central nervous system; avoid using.

Likelihood Probable Evidence D
Monoamine Oxidase Inhibitors (Maois)

Theoretically, concomitant use of cowhage and non-selective MAOIs might increase the risk of hypertensive crisis.
Cowhage contains levodopa. Use of levodopa with non-selective MAOIs might cause hypertensive crisis. However, this interaction has not been reported with MAO-B selective inhibitors such as selegiline.

Likelihood Probable Evidence D
Anesthesia

Theoretically, concomitant use of cowhage and anesthesia might increase the risk of arrhythmias.
Cowhage contains levodopa. Use of levodopa with cyclopropane or halogenated hydrocarbon anesthesia has led to arrhythmias. Other anesthetics have not been implicated. Use other anesthetics in patients taking cowhage or tell patients to stop taking cowhage at least 2 weeks before surgery.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, concomitant use of cowhage and antidiabetes drugs might increase the risk of hypoglycemia.
Animal research shows that cowhage might have hypoglycemic effects.

Likelihood Possible Evidence D
Antipsychotic Drugs

Theoretically, use of cowhage might decrease the clinical effects of antipsychotic drugs.
Cowhage contains levodopa. Use of levodopa might counteract the antidopaminergic effects of antipsychotic medications.

Likelihood Possible Evidence D
Guanethidine (Ismelin)

Theoretically, concomitant use of cowhage and guanethidine might increase the risk of hypotension.
Cowhage contains levodopa. Use of levodopa with guanethidine might cause additive hypotension; avoid using.

Likelihood Probable Evidence D
Tricyclic Antidepressants (Tcas)

Theoretically, use of TCAs might reduce the levels and clinical effects of cowhage.
Cowhage contains levodopa. Use of TCAs might reduce the absorption of levodopa. Some case reports describe patients that developed hypertension and dyskinesia when taking both levodopa and TCAs.

Likelihood Possible Evidence D
Macuna pruriens full monograph & interactions

Deer Antler Velvet2 drug types · 52 drugs

Contraceptive Drugs

Theoretically, deer velvet might interfere with the effectiveness of contraceptive drugs.
Laboratory research shows that deer velvet contains small quantities of estradiol and testosterone. While clinical research shows that taking deer velvet extract does not raise testosterone levels, estradiol levels were not measured.

Likelihood Unlikely Evidence D
Estrogens

Theoretically, deer velvet might increase the effects and side effects of estrogens.
Laboratory evidence shows that deer velvet contains small quantities of estradiol and testosterone. While clinical research shows that taking deer velvet extract does not raise testosterone levels, estradiol levels were not measured.

Likelihood Unlikely Evidence D
Deer Antler Velvet full monograph & interactions

Alpha GPC1 drug type · 16 drugs

Scopolamine (Transderm Scop)

Theoretically, alpha-GPC might decrease the effects of scopolamine.
A small clinical study shows that alpha-GPC can partially counteract the attention and memory impairment effects caused by scopolamine given intramuscularly. Whether alpha-GPC can decrease the beneficial anti-motion sickness effects of the scopolamine patch (Transderm Scop) is unclear.

Likelihood Possible Evidence B
Alpha GPC full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Alpha Spray, from the product label.

IMSOALPHA

See all IMSOALPHA products
Name
IMSOALPHA.COM
Street Address
117 Elk Drive, Unit E
City
Murrells Inlet
State
SC
ZipCode
29576
Phone Number
1.803.832.2542
Pharmacist Counseling Corner

Alpha Spray by IMSOALPHA: Common Questions

Does Alpha Spray by IMSOALPHA interact with any medications?
Yes. Based on its ingredients, Alpha Spray has a known interaction with 791 medications, including 17 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Alpha Spray contains 5 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take Alpha Spray if I'm on blood pressure medication?
Maybe, but not without checking first. GABA and Macuna pruriens (an ingredient in this spray) both interact with blood pressure drugs and can increase the risk of low blood pressure. Methyldopa and guanethidine carry the highest risk. Run your specific medication through the checker on this page, then talk to your pharmacist.
Is Alpha Spray safe during pregnancy?
No. Two of the ingredients—Macuna pruriens and Longjack—have insufficient safety data and possible hormone effects that make the data advise against pregnancy use. Deer Antler Velvet also has insufficient data. There isn't enough information on GABA and Alpha-GPC for pregnancy either. Talk with your doctor or pharmacist for personalized advice.
Can I breastfeed while taking Alpha Spray?
It's best to avoid it. Macuna pruriens contains levodopa, which can lower prolactin (a hormone needed for milk production) and reduce milk supply. Deer Antler Velvet and Longjack also have insufficient safety data for breastfeeding. Talk to your doctor or pharmacist about whether it's right for you.
What does Macuna pruriens do in this product?
Macuna pruriens is a tropical plant seed that contains levodopa, the same active compound used in Parkinson disease treatment. It's studied for potential benefits to movement and mood, though evidence is not yet established for most uses.
Does Alpha Spray really improve memory and brain function?
Alpha-GPC, one of the ingredients, is rated possibly effective for Alzheimer disease in our data. For general cognitive function and other brain conditions, the evidence is insufficient to rate. The other ingredients haven't been reliably shown to improve brain function.
What are the most common side effects I might notice?
With GABA, drowsiness, stomach upset, and nausea are the most often reported. Macuna pruriens may cause diarrhea, gas, or stomach bloating. Alpha-GPC is generally well tolerated but can rarely cause headache or insomnia. Most people tolerate the product short-term, but long-term safety for all ingredients is not fully studied.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Alpha Spray is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Alpha Spray label
Go deeper

The Full Monographs Behind Alpha Spray’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Gamma-aminobutyric Acid (gaba)

Interacts with 419 drugs

GABA is a calming chemical messenger (neurotransmitter) that your body makes on its own, and it is sold as a supplement for stress, anxiety, and sleep. The science behind oral GABA supplemen...

Read the full Gamma-aminobutyric Acid (gaba) monograph → Herb & supplement monograph

Deer Velvet

Interacts with 52 drugs

Deer velvet is a traditional remedy made from the soft, growing antlers of deer or elk, and it is most often promoted for energy, athletic performance, and joint health. Good-quality human e...

Read the full Deer Velvet monograph → Herb & supplement monograph

Alpha-gpc

Interacts with 16 drugs

Alpha-GPC is a choline-containing compound used mainly for memory, brain health, and as a choline source. There is some evidence it may help cognition in people with dementia, but evidence i...

Read the full Alpha-gpc monograph → Herb & supplement monograph

Cowhage

Interacts with 193 drugs

Cowhage (Mucuna pruriens) is a tropical legume best known as a natural source of L-dopa, the compound the body turns into dopamine. It is most studied for Parkinson's disease symptoms and ma...

Read the full Cowhage monograph → Herb & supplement monograph

Eurycoma Longifolia

Interacts with 248 drugs

Eurycoma longifolia (tongkat ali) is a Southeast Asian herb most popular for supporting testosterone, libido, and male fertility, with some small human studies suggesting possible benefits....

Read the full Eurycoma Longifolia monograph →
Sources

Sources & How We Checked

Alpha Spray's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 34 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Gamma-aminobutyric Acid (gaba) 12 references
  1. Cavagnini F, Invitti C, Pinto M, et al. Effect of acute and repeated administration of gamma aminobutyric acid (GABA) on growth hormone and prolactin secretion in man. Acta Endocrinol (Copenh) 1980;93:149-54.
  2. Nurnberger JI Jr, Berrettini WH, Simmons-Alling S, et al. Intravenous GABA administration is anxiogenic in man. Psychiatry Res 1986;19:113-7. PubMed
  3. Gershman RN, Vasilenko MA, Iliushina GG, et al. [Gammalon in the rehabilitation in infantile cerebral palsy]. Pediatr.Akus.Ginekol. 1977;(6):26-7.
  4. Loeb C, Benassi E, Bo, GP, et al. Preliminary evaluation of the effect of GABA and phosphatidylserine in epileptic patients. Epilepsy Res. 1987;1:209-12 . PubMed
  5. Inoue K, Shirai T, Ochiai H, et al. Blood-pressure-lowering effect of a novel fermented milk containing gamma-aminobutyric acid (GABA) in mild hypertensives. Eur J Clin Nutr 2003;57:490-95.
  6. ELLIOTT, K. A. and JASPER, H. H. Gammaaminobutyric acid. Physiol Rev. 1959;39(2):383-406.
  7. Winsky-Sommerer, R. Role of GABAA receptors in the physiology and pharmacology of sleep. Eur.J.Neurosci. 2009;29(9):1779-1794.
  8. Meldrum, B. S. GABAergic mechanisms in the pathogenesis and treatment of epilepsy. Br.J.Clin.Pharmacol. 1989;27 Suppl 1:3S-11S. PubMed
  9. Loeb, C., Marinari, U. M., Benassi, E., Besio, G., Cottalasso, D., Cupello, A., Maffini, M., Mainardi, P., Pronzato, M. A., and Scotto, P. A. Phosphatidylserine increases in vivo the synaptosomal uptake of exogenous GABA in rats. Exp.Neurol. 1988;99(2):4 PubMed
  10. Melis, G. B., Paoletti, A. M., Mais, V., and Fioretti, P. Interference of dopamine infusion on gamma-amino butyric acid (GABA)-stimulated prolactin increase. J.Endocrinol.Invest 1980;3(4):445-448.
  11. Boonstra E, de Kleijn R, Colzato LS, Alkemade A, Forstmann BU, Nieuwenhuis S. Neurotransmitters as food supplements: the effects of GABA on brain and behavior. Front Psychol. 2015 Oct 6;6:1520. doi: 10.3389/fpsyg.2015.01520. eCollection 2015. PubMed
  12. de Bie TH, Witkamp RF, Balvers MG, Jongsma MA. Effects of ?-aminobutyric acid supplementation on glucose control in adults with prediabetes: A double-blind, randomized, placebo-controlled trial. Am J Clin Nutr 2023;118(3):708-719. PubMed

See these in context on the Gamma-aminobutyric Acid (gaba) monograph →

Deer Velvet 2 references
  1. Sleivert, G., Burke, V., Palmer, C., Walmsley, A., Gerrard, D., Haines, S., and Littlejohn, R. The effects of deer antler velvet extract or powder supplementation on aerobic power, erythropoiesis, and muscular strength and endurance characteristics. Int PubMed
  2. Bubenik, G. A., Miller, K. V., Lister, A. L., Osborn, D. A., Bartos, L., and van der Kraak, G. J. Testosterone and estradiol concentrations in serum, velvet skin, and growing antler bone of male white-tailed deer. J Exp Zoolog.A Comp Exp Biol 3-1-2005;30 PubMed

See these in context on the Deer Velvet monograph →

Alpha-gpc 4 references
  1. Di Perri R, Coppola G, Ambrosio LA, et al. A multicentre trial to the evaluate the efficacy and tolerability of alpha-glycerylphosphorylcholine versus cytosine diphosphocholine in patients with vascular dementia. J Int Med Res 1991;19:330-41.
  2. Barbagallo Sangiorgi G, Barbagallo M, Giordano M, et al. Alpha-glycerophosphocholine in the mental recovery of cerebral ischemic attacks: An Italian multicenter clinical trial. Ann N Y Acad Sci 1994;717:253-69. PubMed
  3. Canal N, Franceschi M, Alberoni M, et al. Effect of L-alpha-glyceryl-phosphorylcholine on amnesia caused by scopolamine. Int J Clin Pharmacol Ther Toxicol 1991;29:103-7.
  4. Lee G, Choi S, Chang J, et al. Association of L-a glycerylphosphorylcholine with subsequent stroke risk after 10 Years. JAMA Netw Open 2021;4(11):e2136008.

See these in context on the Alpha-gpc monograph →

Cowhage 12 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  3. Anon. Epidemiological notes and reports: Mucuna pruriens-associated pruritus--New Jersey. MMWR Morb Mortal Wkly Rep 1985;34:732-3.
  4. HP-200 in Parkinson's Disease study group. An alternative medicine treatment for Parkinson's disease: Results of a multicenter clinical trial. J Alt Comp Med 1995;1:249-55. DOI
  5. Infante ME, Perez AM, Simao MR, et al. Outbreak of acute toxic psychosis attributed to Mucuna pruriens. Lancet 1990;336:1129. PubMed
  6. Vaidya AB, Rajagopalan TG, Mankodi NA, et al. Treatment of Parkinson's disease with the cowhage plant-Mucuna pruriens Bak. Neurol India 1978;26:171-6.
  7. Vadivel V, Janardhanan K. Nutritional and anti-nutritional composition of velvet bean: an under-utilized food legume in south India. Int J Food Sci Nutr 2000;51:279-87. PubMed
  8. Akhtar MS, Qureshi AQ, Iqbal J. Antidiabetic evaluation of Mucuna pruriens, Linn seeds. J Pak Med Assoc 1990;40:147-50.
  9. Prakash, D., Niranjan, A., and Tewari, S. K. Some nutritional properties of the seeds of three Mucuna species. Int.J.Food Sci.Nutr. 2001;52(1):79-82.
  10. Vadivel, V. and Janardhanan, K. Nutritional and antinutritional characteristics of seven South Indian wild legumes. Plant Foods Hum.Nutr 2005;60(2):69-75. PubMed
  11. Creapure (Creatine Monohydrate). Toxicological Datasheet. Degussa BioActives. Available at: https://www.fda.gov/ohrms/DOCKETS/.../95s-0316-rpt0154-54-Ref-50-vol112.pdf.
  12. Pulikkalpura H, Kurup R, Mathew PJ, Baby S. Levodopa in Mucuna pruriens and its degradation. Sci Rep 2015;5:11078. PubMed

See these in context on the Cowhage monograph →

Eurycoma Longifolia 4 references
  1. Salman SA, Amrah S, Wahab MS, et al. Modification of propranolol's bioavailability by Eurycoma longifolia water-based extract. J Clin Pharm Ther 2010;35:691-6. PubMed
  2. Tambi MI, Imran MK, Henkel RR. Standardised water-soluble extract of Eurycoma longifolia, Tongkat ali, as testosterone booster for managing men with late-onset hypogonadism? Andrologia 2011 Jun 15. doi: 10.1111/j.1439-0272.2011.01168.x. [Epub ahead of pri PubMed
  3. Han YM, Kim IS, Rehman SU, Choe K, Yoo HH. In vitro evaluation of the effects of Eurycoma longifolia extract on CYP-mediated drug metabolism. Evid Based Complement Alternat Med 2015;2015:631329.
  4. Chinnappan SM, George A, Pandey P, Narke G, Choudhary YK. Effect of Eurycoma longifolia standardised aqueous root extract-Physta ® on testosterone levels and quality of life in ageing male subjects: a randomised, double-blind, placebo-controlled multicent

See these in context on the Eurycoma Longifolia monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team