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Dietary supplement

Senstra 700 mg Ingredients & Drug Interactions

by NewtonEverett

Capsule Category: Botanical With Nutrients
Most serious interaction: Major
The interaction bottom line Most serious interaction: Major

Senstra 700 mg is a dietary supplement by NewtonEverett with 5 active ingredients. Its ingredients are commonly taken for high blood pressure, erectile dysfunction, athletic performance.Based on those ingredients, 1,283 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Yohimbe extract, Epimedium sagittatum extract 20:1, L-Arginine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Senstra 700 mg by NewtonEverett

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

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 5 of its 5 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Senstra 700 mg contains five active ingredients: L-arginine, damiana, horny goat weed (epimedium sagittatum extract 20:1), yohimbe extract, and cowhage. L-arginine is an amino acid that plays a role in blood vessel function.

Damiana is an herbal ingredient. Horny goat weed is a plant extract traditionally used for sexual function.

Yohimbe is an extract from tree bark that contains yohimbine, an alkaloid compound. Cowhage is a tropical plant that naturally contains levodopa, a compound similar to a medication used for neurological conditions.

The product also contains inactive ingredients—rice flour, gelatin, magnesium stearate, silica, titanium dioxide, and food colorings (red #3, red #40, and blue #1).

Does it work?

Insufficient evidence
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
Insufficient

There isn't enough reliable clinical evidence to rate this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Sexual enhancement for women.
  • We looked for evidence on: Sexual desire, Sexual dysfunction, Erectile dysfunction (ED), Antidepressant-induced sexual dysfunction, Female sexual arousal disorder, Hypoactive sexual desire disorder.
  • The closest evidence on file: Horny Goat Weed is rated "Insufficient Reliable Evidence To Rate" for Sexual dysfunction (Natural Medicines).
  • Also on file: Horny Goat Weed is rated "Insufficient Reliable Evidence To Rate" for Erectile dysfunction (ED).
  • Also on file: Damiana is rated "Insufficient Reliable Evidence To Rate" for Sexual dysfunction, Erectile dysfunction (ED).

The evidence we have on file does not establish that any of the active ingredients in Senstra work reliably for any specific condition. L-arginine has no effectiveness ratings in our data.

Damiana shows insufficient reliable evidence for sexual dysfunction, asthma, headache, cognitive function, constipation, and depression. Horny goat weed also shows insufficient reliable evidence for bronchitis, sexual dysfunction, osteoporosis, and coronary heart disease.

Yohimbe shows insufficient reliable evidence for obesity, orthostatic low blood pressure on standing, antidepressant-induced sexual dysfunction, and fatigue. Cowhage shows insufficient reliable evidence for anxiety, skin redness, high prolactin levels, muscle pain, Parkinson disease, and rheumatoid arthritis.

If you're considering this product for a particular reason, talk with your doctor or pharmacist about whether the evidence supports its use for your situation.

The evidence, ingredient by ingredient L-arginine Damiana Horny Goat Weed Yohimbe Cowhage

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 5 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.

L-arginine is often well tolerated short-term but can lower blood pressure and is not safe for everyone; it should only be used under medical supervision. Most common side effects from oral L-arginine are abdominal pain, bloating, nausea, diarrhea, headache, insomnia, and flushing.

Damiana is likely fine in food or tea amounts but human safety data are limited. Horny goat weed seems well tolerated short-term, though common side effects include dizziness, dry mouth, nosebleed, thirst, and vomiting; respiratory arrest has been reported rarely.

Yohimbe can cause serious heart and blood pressure effects, and supplement strength is unpredictable—common adverse effects include anxiety, agitation, sweating, diarrhea, flushing, headache, high blood pressure, increased urination, nausea, rapid heartbeat, tremor, dizziness, and vomiting. Cowhage contains L-dopa (an active drug-like compound) and should be used carefully with professional guidance; common side effects are diarrhea, gas, and mouth irritation.

Regarding pregnancy: L-arginine is possibly safe, but damiana, horny goat weed, and yohimbe should be avoided—not enough safety data exists. Regarding breastfeeding: damiana and horny goat weed should be avoided.

Cowhage should also be avoided while breastfeeding because L-dopa can lower prolactin and reduce milk supply.

Side effects, ingredient by ingredient L-arginine Damiana Horny Goat Weed Yohimbe Cowhage

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 — Horny Goat Weed, Damiana, Yohimbe, L-arginine, Cowhage.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications; Parkinson's medications.
  • For scale: 1,284 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 Senstra, double-check with your pharmacist or doctor if you take any monoamine oxidase inhibitors (MAOIs)—a major interaction—or levodopa itself. You should also confirm you're not on methyldopa, blood thinners (anticoagulants or antiplatelet drugs), blood pressure medications (antihypertensive drugs, ACE inhibitors, or angiotensin receptor blockers), potassium-sparing water pills, diabetes medications, stimulants, older antidepressants (tricyclic antidepressants), antipsychotics, estrogen products, or certain medications metabolized through liver enzymes (CYP1A2, CYP2B6, CYP2D6, or CYP3A4 substrates).

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. Major medication interactions have been identified, and safety information is well characterized.

Senstra contains potent ingredients with serious interactions and unpredictable effects, and the evidence that it works for any condition isn't established in our data. Anyone considering this product must check their medications first—especially if they take an MAOI, blood pressure drugs, blood thinners, diabetes medications, or levodopa.

Talk with your doctor or pharmacist before starting this product; they can review your personal health and medication list to determine if it's appropriate for you.

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 Jul 25, 2014.

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 Senstra 700 mg, straight from the product label.

Brand NewtonEverett
Barcode (UPC) 689076015592
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD Jul 25, 2014
DSLD ID 35282
Product type Botanical With Nutrients
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult Female (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 Senstra 700 mg by NewtonEverett, 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:
2 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
UPC/BARCODE
689076015592
IngredientAmount% DV
L-Arginine200 mg--
Damiana200 mg--
Epimedium sagittatum extract 20:1200 mg--
Yohimbe extract50 mg--
Cowhage50 mg--

Other ingredients: Rice Flour, Gelatin, Magnesium Stearates, Silica, Titanium Dioxide, Red #3, Red #40, Blue #1

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.
Suggested/Recommended/Usage/Directions

Suggested Use: Two capsules once a day.

Precautions

Those with medical concerns should consult a physician before using this product.

FDA Disclaimer Statement

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

General Statements

Made in USA

Formula

(argidium-hcl) capsules

Sexual Enhancement for Women

FDA Statement of Identity

Dietary Supplement

See for yourself

Senstra 700 mg by NewtonEverett label

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

What’s inside

The Ingredients in Senstra 700 mg by NewtonEverett

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

Serving size2 Capsule(s) Dosage formCapsule 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.

L-Arginine

Interacts with
403 drugs
200 mg per serving Form: L-Arginine Hydrochloride

L-arginine is an amino acid that the body uses to make nitric oxide, a substance that helps blood vessels relax and widen. It is popularly used for bl...

L-Arginine monograph & interactions

Damiana

Interacts with
86 drugs
200 mg per serving

Damiana is a traditional herb most famous as an aphrodisiac and mild mood-lifter, but solid human evidence for any of its uses is very limited. It is...

Damiana monograph & interactions

Epimedium sagittatum extract 20:1

Interacts with
963 drugs
200 mg per serving

Horny goat weed (Epimedium) is a traditional Chinese herb most often marketed for low libido and erectile problems, but solid human evidence for these...

Epimedium sagittatum extract 20:1 monograph & interactions

Yohimbe extract

Interacts with
1,125 drugs
50 mg per serving Form: Yohimbine

Yohimbe is a West African tree bark that contains yohimbine, a compound mainly promoted for erectile dysfunction and as an aphrodisiac. A prescription...

Yohimbe extract monograph & interactions

Cowhage

Interacts with
193 drugs
50 mg per serving Form: L-Dopa

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...

Cowhage monograph & interactions

Other (inactive) ingredients: Rice Flour, Gelatin, Magnesium Stearates, Silica, Titanium Dioxide, Red #3, Red #40, Blue #1. These complete the product’s ingredient list but are not active constituents.

Interaction report

Senstra 700 mg by NewtonEverett Drug Interactions

Want to check YOUR meds against Senstra 700 mg?

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
1,283Drugs
17 Major 1,263 Moderate 3 Minor

Ingredients driving the most interactions

Cowhage 193
Damiana 86

Each ingredient & the kinds of drugs it affects

For each ingredient in Senstra 700 mg 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.

Yohimbe extract13 drug types · 1,125 drugs

Monoamine Oxidase Inhibitors (Maois)

Concomitant use of MAOIs with yohimbe can result in additive effects.
Yohimbine, a constituent of yohimbe, has MAO inhibitory effects. At high doses, yohimbine is a non-selective inhibitor of MAO.

Likelihood Likely Evidence D
Antihypertensive Drugs

Theoretically, yohimbe might reduce the effects of antihypertensive drugs.
Yohimbine, a constituent of yohimbe, is an alpha-2 adrenoceptor antagonist and has been reported to increase blood pressure in clinical research. Theoretically, concomitant use of yohimbe and antihypertensive drugs can interfere with blood pressure control.

Likelihood Probable Evidence D
Clonidine (Catapres)

Theoretically, yohimbe might precipitate clonidine withdrawal.
Chronic clonidine use can downregulate alpha-2 adrenoreceptors. Animal research and one human case report suggest that concomitant administration of yohimbine, an alpha-2 adrenoceptor antagonist, may precipitate clonidine withdrawal and lead to sympathomimetic toxicity, including hypertensive crisis.

Likelihood Possible Evidence D
Cytochrome P450 2D6 (Cyp2D6) Inhibitors

CYP2D6 inhibitors may increase the levels and adverse effects of yohimbine, a constituent of yohimbe.
In vitro and clinical research shows that the yohimbe bark constituent, yohimbine, is metabolized by CYP2D6 isoenzymes. Paroxetine, a cytochrome P450 (CYP) 2D6 inhibitor, increases the maximum serum concentration of yohimbine and reduces the clearance of yohimbine compared to yohimbine alone in patients who are extensive CYP2D6 metabolizers..

Likelihood Probable Evidence B
Cytochrome P450 2D6 (Cyp2D6) Substrates

Theoretically, yohimbe might increase the levels and adverse effects of CYP2D6 substrates.
In vitro research suggests that yohimbine, a constituent of yohimbe bark, inhibits CYP2D6 enzyme activity.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Inhibitors

Theoretically, CYP3A4 inhibitors might increase the levels and adverse effects of yohimbine, a constituent of yohimbe bark.
In vitro and clinical research shows that the yohimbe bark constituent, yohimbine, is metabolized by CYP3A4 enzymes. Theoretically, drugs that inhibit CYP3A4 might increase the levels and adverse effects of yohimbine.

Likelihood Possible Evidence D
Paroxetine (Paxil)

Paroxetine decreases the clearance of yohimbine and may increase its effects.
Paroxetine, a cytochrome P450 (CYP) 2D6 inhibitor, increases the maximum serum concentration of yohimbine by about 350% and reduces the clearance of yohimbine by about 80% compared to yohimbine alone in patients who are extensive CYP2D6 metabolizers. No significant changes in pharmacokinetic parameters of yohimbine were observed with coadministration of paroxetine in patients who are poor CYP2D6 metabolizers.

Likelihood Probable Evidence B
Phenothiazines

Theoretically, using yohimbine with phenothiazines might have additive effects.
Yohimbine, a constituent of yohimbe, has alpha-2 adrenergic antagonist effects. Theoretically, combining it with phenothiazines can cause additive alpha-2 adrenergic antagonism.

Likelihood Possible Evidence D
Stimulant Drugs

Theoretically, taking yohimbe with stimulant drugs can have additive effects.
Yohimbine, a constituent of yohimbe, has sympathomimetic effects and increases blood pressure in a dose-dependent manner. Theoretically, taking yohimbe with stimulant drugs can have additive stimulant and hypertensive effects.

Likelihood Possible Evidence D
Tricyclic Antidepressants (Tcas)

Theoretically, taking yohimbe with TCAs can increase adverse effects.
A small clinical study in patients taking TCAs for at least 4 weeks shows that receiving doses of intravenous yohimbine 2.5-20 mg daily for up to 7 days precipitates severe anxiety, agitation, and tremor. The effects of yohimbe bark itself are unclear; oral yohimbe bark contains 0.6% to 1.38% yohimbine, but it is unclear how much is absorbed.

Likelihood Possible Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, combining yohimbe bark with antiplatelet or anticoagulant drugs might have additive effects; however, this has not been reported in clinical research.
Research in healthy adults shows that taking yohimbine, a constituent of yohimbe bark, in doses of 8 mg or more, seems to inhibit platelet aggregation in vitro by binding to the alpha-2 adrenoceptor. The effects of yohimbe bark itself are unclear; yohimbe bark contains 0.6% to 1.38% yohimbine, but it is unclear how much is absorbed.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, yohimbe might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that yohimbe extract induces CYP1A2 enzymes.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, yohimbe might decrease the levels and clinical effects of CYP3A4 substrates.
In vitro research shows that yohimbe extract induces CYP3A4 enzymes.

Likelihood Possible Evidence D

Epimedium sagittatum extract 20:16 drug types · 963 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, horny goat weed might increase the risk of bleeding.
In vitro research and animal research shows that horny goat weed can inhibit platelet aggregation and thrombus formation. This effect has not been reported in humans.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, horny goat weed might increase the risk of hypotension.
Laboratory research suggests that horny goat weed might have hypotensive effects. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, horny goat weed might increase the effects and side effects of CYP1A2 substrates.
In vitro, horny goat weed leaf extract inhibits CYP1A2. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, horny goat weed might increase the effects and side effects of CYP2B6 substrates.
In vitro, horny goat weed leaf extract inhibits CYP2B6. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, horny goat weed might increase the effects and side effects of CYP3A4 substrates.
In vitro, horny goat weed extract inhibits CYP3A4 and suppresses CYP3A4 mRNA expression. This effect has not been reported in humans.

Likelihood Possible Evidence D
Estrogens

Theoretically, concomitant use of horny goat weed with estrogens might increase their therapeutic and adverse effects.
In vitro evidence suggests that horny goat weed has estrogenic activity. In clinical research, horny goat weed has been shown to increase blood levels of estrogen in some females.

Likelihood Possible Evidence D

L-Arginine9 drug types · 403 drugs

Ace Inhibitors (Aceis)

Theoretically, concomitant use of L-arginine and ACE inhibitors may increase the risk for hypotension and hyperkalemia.
Combining L-arginine with some antihypertensive drugs, especially ACE inhibitors, seems to have additive vasodilating and blood pressure-lowering effects. Furthermore, ACE inhibitors can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients. Theoretically, concomitant use of ACE inhibitors with L-arginine may increases the risk of hyperkalemia.

Likelihood Probable Evidence D
Angiotensin Receptor Blockers (Arbs)

Theoretically, concomitant use of L-arginine and ARBs may increase the risk of hypotension and hyperkalemia.
L-arginine increases nitric oxide, which causes vasodilation. Combining L-arginine with ARBs seems to increase L-arginine-induced vasodilation. Furthermore, ARBs can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients. Theoretically, concomitant use of ARBs with L-arginine may increases the risk of hyperkalemia.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, concomitant use of L-arginine with anticoagulant and antiplatelet drugs might have additive effects and increase the risk of bleeding.
Preliminary research suggests that L-arginine infusions reduce platelet aggregation in humans. The clinical significance of this effect is unclear.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, concomitant use of L-arginine might have additive effects with antidiabetes drugs.
Preliminary clinical research shows that L-arginine decreases blood glucose levels in patients with type 2 diabetes.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, concomitant use of L-arginine and antihypertensive drugs may increase the risk of hypotension.
L-arginine increases nitric oxide, which causes vasodilation. Clinical evidence shows that L-arginine can reduce blood pressure in some individuals with hypertension. Furthermore, combining L-arginine with some antihypertensive drugs seems to have additive vasodilating and blood pressure-lowering effects.

Likelihood Probable Evidence D
Isoproterenol (Isuprel)

Theoretically, concurrent use of isoproterenol and L-arginine might result in additive effects and hypotension.
Preliminary clinical evidence suggests that L-arginine enhances isoproterenol-induced vasodilation in patients with essential hypertension or a family history of essential hypertension.

Likelihood Probable Evidence D
Potassium-Sparing Diuretics

Theoretically concomitant use of potassium-sparing diuretics with L-arginine may increases the risk of hyperkalemia.
Potassium-sparing diuretics can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients.

Likelihood Possible Evidence D
Sildenafil (Viagra)

Theoretically, concurrent use of sildenafil and L-arginine might increase the risk for hypotension.
In vivo, concurrent use of L-arginine and sildenafil has resulted in increased vasodilation. Theoretically, concurrent use might have additive vasodilatory and hypotensive effects. However, in studies evaluating the combined use of L-arginine and sildenafil for erectile dysfunction, hypotension was not reported.

Likelihood Possible Evidence D
Testosterone

Theoretically, concomitant use of L-arginine and testosterone might have additive effects.
In clinical research, L-arginine increases the level of testosterone in male patients with erectile dysfunction. The clinical significance of this finding is unclear.

Likelihood Possible Evidence D

Cowhage8 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

Damiana1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, taking damiana with antidiabetes drugs might increase the risk of hypoglycemia.
Animal research shows that taking damiana lowers blood glucose level.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Senstra 700 mg, from the product label.

NewtonEverett

See all NewtonEverett products
Name
Newton-Everett Biotech
Web Address
www.newton-everett.com
Pharmacist Counseling Corner

Senstra 700 mg by NewtonEverett: Common Questions

Does Senstra 700 mg by NewtonEverett interact with any medications?
Yes. Based on its ingredients, Senstra 700 mg has a known interaction with 1,283 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?
Senstra 700 mg 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 Senstra if I'm pregnant?
L-arginine is possibly safe in pregnancy, but damiana, horny goat weed, and yohimbe should be avoided due to insufficient safety data. Cowhage should also be avoided because of its dopamine effects. Talk with your doctor or pharmacist about your specific situation before taking this product during pregnancy.
Can I breastfeed while taking Senstra?
Damiana, horny goat weed, and yohimbe should be avoided while breastfeeding because safety has not been established. Cowhage should be avoided because it contains L-dopa, which can lower prolactin and reduce milk supply. Check with your doctor or pharmacist before using this product while breastfeeding.
What are the most common side effects I might experience?
From L-arginine: abdominal pain, bloating, nausea, diarrhea, headache, insomnia, and flushing. From horny goat weed: dizziness, dry mouth, nosebleed, thirst, and vomiting. From yohimbe: anxiety, agitation, sweating, diarrhea, flushing, headache, high blood pressure, rapid heartbeat, tremor, and nausea. From cowhage: diarrhea, gas, and mouth irritation. Individual responses vary.
Does this product actually work?
The evidence we have on file does not establish that any of the ingredients in Senstra work reliably for any specific condition. All of them show insufficient reliable evidence for the conditions they're traditionally used for. Your doctor or pharmacist can discuss whether this product is worth trying for your situation.
Why is yohimbe a concern?
Yohimbe can cause serious heart and blood pressure effects, and the strength of supplements varies unpredictably between products. It has major interactions with MAOI antidepressants and moderate interactions with many other medications, including blood pressure drugs, stimulants, and older antidepressants. These combinations can cause dangerous side effects.
What makes cowhage different from other ingredients in this product?
Cowhage naturally contains levodopa, an active compound similar to a medication used for neurological conditions. This means it carries major interactions with levodopa itself, MAOIs, and methyldopa, and requires careful medical supervision. It should be treated like a drug, not just a supplement.

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

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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.

Senstra 700 mg label
Go deeper

The Full Monographs Behind Senstra 700 mg’s Ingredients

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

Sources

Sources & How We Checked

Senstra 700 mg'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 157 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.

L-arginine 66 references
  1. Sapienza MA, Kharitonov SA, Horvath I, et al. Effect of inhaled L-arginine on exhaled nitric oxide in normal and asthmatic subjects. Thorax 1998;53:172-5.
  2. Clarkson P, Adams MR, Powe AJ, et al. Oral L-arginine improves endothelium-dependent dilation in hypercholesterolemic young adults. J Clin Invest 1996;97:1989-94. PubMed
  3. Tenenbaum A, Fisman EZ, Motro M. L-arginine: Rediscovery in progress. Cardiology 1998;90:153-9.
  4. Brittenden J, Park KGM, Heys SD, et al. L-Arginine stimulates host defenses in patients with breast cancer. Surgery 1994;115:205-12.
  5. Korting GE, Smith SD, Wheeler MA, et al. A randomized double-blind trial of oral L-arginine for treatment of interstitial cystitis. J Urol 1999;161:558-65. DOI
  6. Rector TS, Bank AJ, Mullen KA, et al. Randomized, double-blind, placebo-controlled study of supplemental oral L-arginine in patients with heart failure. Circulation 1996;93:2135-41.
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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.

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