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Dietary supplement

P-5-P 50 mg Ingredients & Drug Interactions

by Solgar

P-5-P 50 mg label
See full label image
Tablet Or Pill Category: Vitamin
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking P-5-P 50 mg 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: Moderate

P-5-P 50 mg is a dietary supplement by Solgar with 1 active ingredient. Its ingredients are commonly taken for morning sickness in pregnancy, premenstrual syndrome (pms), preventing or treating b6 deficiency.Based on those ingredients, 210 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Pyridoxal 5-Phosphate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against P-5-P 50 mg by Solgar

Ask about any prescription or over-the-counter medication and we check it for interactions with P-5-P 50 mg by Solgar — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of P-5-P 50 mg by Solgar

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 Sep 3, 2026

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 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: pyridoxal 5-phosphate, a form of vitamin B6 at 50 mg per tablet. Pyridoxal 5-phosphate is the active form your body uses directly, so it doesn't need conversion like some other B6 sources do.

The tablet also contains inactive ingredients — dicalcium phosphate, microcrystalline cellulose, vegetable cellulose, vegetable magnesium stearate, methacrylic acid, riboflavin, titanium dioxide, glyceryl triacetate, and vegetable glycerin — which are fillers, binders, and coating materials.

Does it work?

Strong 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
Strong

Clinical evidence supports at least one of this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: supports healthy nervous system and metabolism.
  • We looked for evidence on: Carpal tunnel syndrome, Diabetic neuropathy, Isoniazid-induced neuropathy, Premenstrual syndrome (PMS), Pyridoxine-dependent epilepsy, Restless legs syndrome (RLS) — and 4 related terms.
  • The strongest evidence on file: Vitamin B6 is rated "Effective" for Vitamin B6 deficiency (Natural Medicines).
  • Also on file: Vitamin B6 is rated "Effective" for Pyridoxine-dependent epilepsy.
  • Also on file: Vitamin B6 is rated "Possibly Effective" for Premenstrual syndrome (PMS).

Solgar's P-5-P is effective for sideroblastic anemia and vitamin B6 deficiency. It's likely effective for high homocysteine levels (hyperhomocysteinemia), a cardiovascular risk factor.

For pregnancy-induced nausea and vomiting, the evidence suggests it possibly works, though it's typically used only under a doctor's guidance for that purpose. For other uses, the evidence we hold doesn't establish effectiveness.

The evidence, ingredient by ingredient Vitamin B6

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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Vitamin B6 at doses under 100 mg daily is generally well tolerated. At this product's 50 mg dose, common side effects are uncommon but can include headache, nausea, abdominal pain, heartburn, or loss of appetite.

The main safety concern is that high doses over time — especially totals exceeding 1,000 grams or daily doses above 1,000 mg — can damage nerves (sensory neuropathy), causing tingling and numbness. Nerve damage can happen at lower doses too, though it's rarer.

In pregnancy, the safety picture is mixed: some data suggest vitamin B6 is likely safe, while other data suggest it's possibly unsafe. If you're pregnant or thinking about it, talk with your doctor or pharmacist about whether this dose is right for you.

Vitamin B6 is likely safe during breastfeeding.

Side effects, ingredient by ingredient Vitamin B6

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Vitamin B6.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: Parkinson's medications.
  • For scale: 210 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 this product, check with your doctor or pharmacist if you take blood pressure medications (since vitamin B6 may lower pressure further), amiodarone for heart rhythm, seizure medications like phenobarbital or phenytoin, or levodopa for Parkinson's disease without carbidopa. These are the main medication types our data shows interact with vitamin B6.

Check your own medication Run your meds through the checker above

The bottom line

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

This B6 form works well for B6 deficiency and certain anemias and may help with high homocysteine. If you take blood pressure drugs, heart rhythm medications, or seizure medications, check with your doctor or pharmacist before starting — vitamin B6 can interact with them.

For pregnancy-related nausea, only use it under medical guidance. At 50 mg, this dose is low-risk for most people, but anyone on the medications listed should confirm it's okay first.

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

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2016.

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 P-5-P 50 mg, straight from the product label.

Brand Solgar
Barcode (UPC) 033984023086
Net contents 100 Tablet(s)
Market status On market
Date entered into DSLD Jul 25, 2016
DSLD ID 63232
Product type Vitamin
Supplement form Tablet Or Pill
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Kosher, Gluten Free, Dairy Free
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 P-5-P 50 mg by Solgar, 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:
1 Tablet(s)
Maximum serving Sizes:
1 Tablet(s)
UPC/BARCODE
033984023086
IngredientAmount% DV
Pyridoxal 5-Phosphate50 mg--

Other ingredients: Dicalcium Phosphate, Methacrylic Acid, Microcrystalline Cellulose, Vegetable Cellulose, Vegetable Magnesium Stearate, Riboflavin, Titanium Dioxide, Glyceryl Triacetate, Vegetable Glycerin

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.
General Statements

The body converts Vitamin B6 into P-5-P (pyridoxal-5-phosphate) before it can be used. This biologically active, coenzyme form of B6 promotes the metabolism of carbohydrates, proteins and amino acids.

Since 1947

Supports a healthy nervous system

Formula

P-5-P is one of Solgar’s premium-quality Vitamin B products and is specially coated to protect against degradation from stomach acids.

Solgar’s KOF-K certification #K-1250

Active coenzyme form of B6

Brand IP Statement(s)

2016 Solgar, Inc.

General

SOLGB72307 02D

Formulation

Gluten, Wheat & Dairy free

Suitable for vegans

Free of: Gluten, Wheat, Dairy, Soy, Yeast, Sugar, Sodium, Artificial Flavor, Sweetener and Preservatives.

FDA Statement of Identity

Dietary Supplement

Seals/Symbols

Certified GF Gluten free

K Parve

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement for adults, take one (1) tablet daily, preferably with a meal or as directed by a healthcare practitioner.

Precautions

If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement.

Discontinue use and consult your healthcare practitioner if any adverse reactions occur.

Keep out of reach of children.

Do not use if outer bottle seal is missing or damaged.

Storage

Store at room temperature.

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.

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

See for yourself

P-5-P 50 mg by Solgar label

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

P-5-P 50 mg 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 P-5-P 50 mg by Solgar

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 Tablet(s) Dosage formTablet Or Pill Amounts shown are per serving.

Pyridoxal 5-Phosphate

Interacts with
210 drugs
50 mg per serving

Vitamin B6 (pyridoxine) is an essential water-soluble vitamin that your body needs for metabolism, brain function, and making red blood cells. It is b...

Pyridoxal 5-Phosphate monograph & interactions

Other (inactive) ingredients: Dicalcium Phosphate, Methacrylic Acid, Microcrystalline Cellulose, Vegetable Cellulose, Vegetable Magnesium Stearate, Riboflavin, Titanium Dioxide, Glyceryl Triacetate, Vegetable Glycerin. These complete the product’s ingredient list but are not active constituents.

Interaction report

P-5-P 50 mg by Solgar Drug Interactions

Want to check YOUR meds against P-5-P 50 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
210Drugs
205 Moderate 5 Minor

Ingredients driving the most interactions

Pyridoxal 5-Phosphate 210

Individual Drug Interactions

The ingredients in P-5-P 50 mg interact with 210 drugs. Click any drug to see the details.

1 of the 1 ingredient in P-5-P 50 mg interact with drugs. Each result below shows which ingredient is responsible. Pyridoxal 5-Phosphate

Each ingredient & the kinds of drugs it affects

For each ingredient in P-5-P 50 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Pyridoxal 5-Phosphate5 drug types · 210 drugs

Amiodarone (Cordarone)

Theoretically, vitamin B6 might increase the photosensitivity caused by amiodarone.
Despite initial case reports suggesting that pyridoxine may have a protective effect against amiodarone-induced photosensitivity, preliminary clinical research suggests that pyridoxine may actually exacerbate this adverse effect.

Likelihood Possible Evidence B
Antihypertensive Drugs

Theoretically, vitamin B6 may have additive effects when used with antihypertensive drugs.
Research in hypertensive rats shows that vitamin B6 can decrease systolic blood pressure. Similarly, clinical research in patients with hypertension shows that taking high doses of vitamin B6 may reduce systolic and diastolic blood pressure, possibly by reducing plasma levels of epinephrine and norepinephrine.

Likelihood Possible Evidence B
Phenobarbital (Luminal)

High doses of vitamin B6 may reduce the levels and clinical effects of phenobarbital.
Preliminary clinical evidence suggests that vitamin B6 200 mg daily can reduce plasma levels of phenobarbital, possibly by increasing metabolism. It is not known whether lower doses have any effect. Advise people taking phenobarbital to avoid high doses of vitamin B6.

Likelihood Possible Evidence D
Phenytoin (Dilantin)

High doses of vitamin B6 may reduce the levels and clinical effects of phenytoin.
Preliminary clinical evidence suggests that vitamin B6 200 mg daily can reduce plasma levels of phenytoin, possibly by increasing metabolism. It is not known whether lower doses have any effect. Advise people taking phenytoin to avoid high doses of vitamin B6.

Likelihood Possible Evidence D
Levodopa

Vitamin B6 may increase the metabolism of levodopa when taken alone, but not when taken in conjunction with carbidopa.
Vitamin B6 (pyridoxine) enhances the metabolism of levodopa, reducing its clinical effects. However, this interaction does not occur when carbidopa is used concurrently with levodopa (Sinemet). Therefore, it is not likely to be a problem in most people.

Likelihood Unlikely Evidence D
Pyridoxal 5-Phosphate full monograph & interactions
The maker

Brand information

Manufacturer and brand details for P-5-P 50 mg, from the product label.

Solgar

See all Solgar products
Name
Solgar, Inc.
Street Address
500 Willow Tree Road
City
Leonia
State
NJ
ZipCode
07605
Phone Number
1-877-765-4274
Pharmacist Counseling Corner

P-5-P 50 mg by Solgar: Common Questions

Does P-5-P 50 mg by Solgar interact with any medications?
Yes. Based on its ingredients, P-5-P 50 mg has a known interaction with 210 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
P-5-P 50 mg contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism 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.
Is this form of B6 better than regular pyridoxine?
Pyridoxal 5-phosphate is the active form your body actually uses, so it doesn't require conversion — your body can use it directly. Regular pyridoxine has to be converted first, so some people find the pyridoxal form works better for them, though both are effective sources of vitamin B6.
Can I take this if I'm pregnant?
The safety data on vitamin B6 in pregnancy is mixed — some evidence suggests it's likely safe, other data suggest it's possibly unsafe. You'd want to talk with your doctor or pharmacist about your individual situation and whether this dose is right for you.
What does this product actually treat?
This product is effective for vitamin B6 deficiency and sideroblastic anemia. It's likely to help with high homocysteine levels and possibly helps with pregnancy-related nausea and vomiting (though that's usually done under medical supervision).
Are there side effects at this 50 mg dose?
At 50 mg, vitamin B6 is generally well tolerated — most people have no problems. Rarely, someone might experience headache, nausea, abdominal pain, or heartburn. The serious nerve damage seen with very high doses is not a concern at this low amount.
Can I breastfeed while taking this?
Yes — vitamin B6 is rated likely safe during breastfeeding at normal doses like this 50 mg tablet.

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

Not sure if P-5-P 50 mg is safe with your meds?

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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.

P-5-P 50 mg label
Go deeper

The Full Monographs Behind P-5-P 50 mg’s Ingredients

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

Herb & supplement monograph

Vitamin B6

Interacts with 210 drugs

Vitamin B6 (pyridoxine) is an essential water-soluble vitamin that your body needs for metabolism, brain function, and making red blood cells. It is best known for helping with pregnancy-rel...

Read the full Vitamin B6 monograph →
Sources

Sources & How We Checked

P-5-P 50 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 32 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.

Vitamin B6 32 references
  1. Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
  2. Yates AA, Schlicker SA, Suitor CW. Dietary reference intakes: The new basis for recommendations for calcium and related nutrients, B vitamins, and choline. J Am Diet Assoc 1998;98:699-706. PubMed
  3. Geerling BJ, Dagnelie PC, Badart-Smook A, et al. Diet as a risk factor for the development of ulcerative colitis. Am J Gastroenterol 2000;95:1008-13. PubMed
  4. South M. Neonatal seizures after pyridoxine use -- reply. Lancet 1999;354:2083. PubMed
  5. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (2000). Washington, DC: National Academy Press, 2000. Available at: http://b
  6. Baxter P, Aicardi J. Neonatal seizures after pyridoxine use. Lancet 1999;354:2082-3. PubMed
  7. Bendich A, Cohen M. Vitamin B6 safety issues. Ann N Y Acad Sci 1990;585:321-30.
  8. Schaumburg H, Kaplan J, Windebank A. Sensory neuropathy from pyridoxine abuse. A new megavitamin syndrome. N Engl J Med 1983;309:445-8. PubMed
  9. Gordon N. Pyridoxine dependency: an update. Dev Med Child Neurol 1997;39:63-5. PubMed
  10. Lewis PJ. Pain in the hand and wrist. Pyridoxine supplements may help patients with carpal tunnel syndrome. BMJ 1995;310:1534. PubMed
  11. Kaufman G. Pyridoxine against amiodarone-induced photosensitivity (letter). Lancet 1984;1:51-2. PubMed
  12. Mulrow JP, Mulrow CD, McKenna WJ. Pyridoxine and amiodarone-induced photosensitivity. Ann Intern Med 1985;103:68-9. PubMed
  13. Kawada A, Kashima A, Shiraishi H, et al. Pyridoxine-induced photosensitivity and hypophosphatasia. Dermatology 2000;201:356-60.. PubMed
  14. Vasile A, Goldberg R, Kornberg B. Pyridoxine toxicity: report of a case. J Am Osteopath Assoc 1984;83:790-1. DOI
  15. Hansson O, Sillanpaa M. Pyridoxine and serum concentration of phenytoin and phenobarbitone. Lancet 1976;1:256. DOI
  16. Jansen T, Romiti R, Kreuter A, Altmeyer P. Rosacea fulminans triggered by high-dose vitamins B6 and B12. J Eur Acad Dermatol Venereol 2001;15:484-5..
  17. Chittumma P, Kaewkiattikun K, Wiriyasiriwach B. Comparison of the effectiveness of ginger and vitamin B6 for treatment of nausea and vomiting in early pregnancy: a randomized double-blind controlled trial. J Med Assoc Thai 2007;90:15-20.
  18. Hatzitolios, A., Iliadis, F., Katsiki, N., and Baltatzi, M. Is the anti-hypertensive effect of dietary supplements via aldehydes reduction evidence based? A systematic review. Clin Exp.Hypertens. 2008;30(7):628-639. PubMed
  19. Vasdev, S., Ford, C. A., Parai, S., Longerich, L., and Gadag, V. Dietary vitamin B6 supplementation attenuates hypertension in spontaneously hypertensive rats. Mol.Cell Biochem. 1999;200(1-2):155-162.
  20. de, Vogel S., Dindore, V., van, Engeland M., Goldbohm, R. A., van den Brandt, P. A., and Weijenberg, M. P. Dietary folate, methionine, riboflavin, and vitamin B-6 and risk of sporadic colorectal cancer. J Nutr 2008;138(12):2372-2378. PubMed
  21. Hagen, I., Nesheim, B. I., and Tuntland, T. No effect of vitamin B-6 against premenstrual tension. A controlled clinical study. Acta Obstet.Gynecol.Scand. 1985;64(8):667-670. PubMed
  22. Aybak, M., Sermet, A., Ayyildiz, M. O., and Karakilcik, A. Z. Effect of oral pyridoxine hydrochloride supplementation on arterial blood pressure in patients with essential hypertension. Arzneimittelforschung. 1995;45(12):1271-1273.
  23. Lal, K. J., Dakshinamurti, K., and Thliveris, J. The effect of vitamin B6 on the systolic blood pressure of rats in various animal models of hypertension. J Hypertens. 1996;14(3):355-363. PubMed
  24. Lauritzen CH, Reuter HD, Repges R, Bohnert K, and Schmidt U. Treatment of premenstrual tension syndrome with Vitex agnus castus. Controlled, double-blind study versus pyridoxine. Phytomed 1997;4(3):183-189. PubMed
  25. Fonseca VA, Lavery LA, Thethi TK, et al. Metanx in type 2 diabetes with peripheral neuropathy: A randomized trial. Am J Med 2013;126(2):141-9. PubMed
  26. Hankey GJ, Eikelboom JW, Yi Q, et al. Treatment with B vitamins and incidence of cancer in patients with previous stroke or transient ischemic attack: Results of a randomized placebo-controlled trial. Stroke 2012;43(6):1572-7. PubMed
  27. Hoyer-Kuhn H, Kohbrok S, Volland R, Franklin J, Hero B, Beck BB, Hoppe B. Vitamin B6 in primary hyperoxaluria I: first prospective trial after 40 years of practice. Clin J Am Soc Nephrol. 2014 Mar;9(3):468-77. PubMed
  28. Mahmoud A, Tabassum S, Al Enazi S, et al. Amelioration of levetiracetam-induced behavioral side effects by pyridoxine. A randomized double blind controlled study. Pediatr Neurol 2021;119:15-21. PubMed
  29. Gupta M, Gallante B, Bamberger JN, et al. Prospective randomized evaluation of idiopathic hyperoxaluria treatments. J Endourol 2021;35(12):1844-1851. PubMed
  30. Li H, Chen M, Liang S, et al. Excessive vitamin B6 during treatment is related to poor prognosis of patients with nasopharyngeal carcinoma: A U-shaped distribution suggests low dose supplement. Clin Nutr 2021;40(4):2293-2300. PubMed
  31. Tanigawa J, Nabatame S, Tominaga K, et al. High-dose pyridoxine treatment for inherited glycosylphosphatidylinositol deficiency. Brain Dev 2021;43(6):680-687. PubMed
  32. Committee on Practice Bulletins-Obstetrics. ACOG Practice Bulletin No. 189: Nausea And Vomiting Of Pregnancy. Obstet Gynecol. 2018;131(1):e15-e30. PubMed

See these in context on the Vitamin B6 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

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