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Dietary supplement

SAM-e 200 mg Ingredients & Drug Interactions

by Foster Regal

SAM-e 200 mg label
See full label image
Tablet Or Pill Category: Non-nutrient/non-botanical
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 SAM-e 200 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

SAM-e 200 mg is a dietary supplement by Foster Regal with 1 active ingredient. Its ingredients are commonly taken for depression, osteoarthritis joint pain, liver conditions.Based on those ingredients, 189 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are S-Adenosylmethionine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against SAM-e 200 mg by Foster Regal

Ask about any prescription or over-the-counter medication and we check it for interactions with SAM-e 200 mg by Foster Regal — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of SAM-e 200 mg by Foster Regal

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 10, 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.

SAM-e 200 mg contains one active ingredient: S-Adenosylmethionine (also called SAM-e or SAME), a compound your body produces naturally and uses in many biochemical reactions. The tablet also contains inactive ingredients—cellulose, mannitol, polymethacrylate, magnesium stearate, carboxymethylstarch sodium, silica, and triethyl citrate—which help form and preserve the tablet.

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

This product doesn't appear to be marketed for a specific use, so we graded Same's overall clinical evidence instead.

Strong

Strong clinical evidence supports Same for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Osteoarthritis — rated "Likely Effective" (Natural Medicines).
  • On file: Cholestasis — rated "Possibly Effective" (Natural Medicines).
  • On file: Depression — rated "Possibly Effective" (Natural Medicines).

The evidence for SAM-e is strongest for osteoarthritis, where it's rated likely effective. For depression, the data shows it's possibly effective—meaning some studies support it, but more evidence would help confirm it.

It's also possibly effective for cholestasis (a liver condition involving slowed bile flow). For Alzheimer disease and ADHD, there isn't enough reliable evidence yet to say whether it works.

Talk with your doctor about what the science supports for your specific situation.

The evidence, ingredient by ingredient Same

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.

SAM-e is often well tolerated in typical doses, though side effects become more common at higher doses. The most frequent ones are anorexia, constipation, diarrhea, dizziness, dry mouth, flatulence, headache, insomnia, nausea, nervousness, sweating, and vomiting.

Less commonly, it can cause rash, itching, or temporary hair loss. One important caution: SAM-e may trigger mania in people with bipolar disorder.

Because long-term safety data are limited, use it only under guidance from your healthcare provider.

Side effects, ingredient by ingredient Same

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 — Same.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: Parkinson's medications.
  • For scale: 189 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 SAM-e, check with your doctor or pharmacist if you take serotonergic drugs (antidepressants, certain pain relievers, and other serotonin-affecting medications) or levodopa for Parkinson disease. Both are Moderate-severity interactions that need a conversation with your healthcare provider before you start.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with strong clinical evidence behind its ingredients' uses. Moderate medication interactions have been identified, and safety information is well characterized.

SAM-e is worth considering if you have osteoarthritis or depression and your doctor thinks it's right for you—but check your medications first, especially if you take antidepressants or a Parkinson disease drug. If you have bipolar disorder, talk with your doctor before starting.

Work with your own healthcare provider to decide whether this supplement fits your plan.

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 Oct 24, 2023.

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 SAM-e 200 mg, straight from the product label.

Brand Foster Regal
Barcode (UPC) 364175222606
Net contents 60 Enteric Coated Tablet(s)
Market status On market
Date entered into DSLD Oct 24, 2023
DSLD ID 297015
Product type Non-nutrient/non-botanical
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar 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 SAM-e 200 mg by Foster Regal, 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 Tablet(s)
Maximum serving Sizes:
2 Tablet(s)
Servings per container
30
UPC/BARCODE
364175222606
IngredientAmount% DV
S-Adenosylmethionine400 mg--

Other ingredients: Cellulose, Mannitol, Polymethacrylate, Magnesium Stearate, Carboxymethylstarch Sodium, Silica, Triethyl Citrate

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.
Formula

All living things contain SAM-e (S-adenosylmethionine). The body makes SAM-e from the amino acid methionine. However, you may not be able to obtain sufficient methionine levels simply by ingesting food. In addition, because of age or other factors, levels of SAM-e can fluctuate or decline. Supplementation with SAM-e is the easiest way to increase intake. SAM-e is involved in over 35 biochemical reactors involving enzymatic transmethylation. The methylation process is the mechanism by which the body rids itself of potentially damaging compounds, synthesizes neurotransmitters, makes components of cartilage, regulates enzyme activity within the cell and maintains the flexibility of cell membranes. Science has been looking into this remarkable supplement and time after time clinical studies have drawn the same conclusions, SAM-e.

A Note about our Enteric Coating: SAM-e is enterically coated so that you receive optimal absorption. The enteric coating ensures that the breakdown of SAM-e occurs in the small intestine. Clinical trials indicate that absorption is more efficient in the small intestine rather than in the stomach. In addition, the enteric coating is designed to protect SAM-e from moisture. The lack of an enteric coating should not be harmful to the stomach, and there have been no reported cases to this effect. However, the enteric coating serves as a protective barrier so that SAM-e can be absorbed where it can provide you with the greatest benefits.

SAM-e S-adenosylmethionine 200 mg

General Statements

Please see enclosed insert for more information.

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Precautions

Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Caution: You should consult your physician before using SAM-e if you are taking MAO inhibitors.

Like all supplements, Caution: SAM-e is not intended for use by children and you should consult your physician before using SAM-e if you are pregnant or nursing.

Like all supplements, Caution: SAM-e is not intended for use by children and you should consult your physician before using SAM-e if you are pregnant or nursing.

Individuals affected by bipolar (manic) depression should not take this product. Discontinue use and consult your physician if gastrointestinal discomfort occurs.

Keep out of reach of children.

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.

Brand IP Statement(s)

FosterRegal The Best Choice

Formulation

Promotes healthy joint function and comfort Boosts Mood and emotional well-being Supports healthy liver function

Gluten Free

Mfg. in an FDA Registered Facility, using Good Manufacturing Practices (GMPs).

Contains no artificial flavor, no preservatives, no sugar, no milk, no lactose, no soy, no wheat, no yeast and no fish.

Made in USA

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: For adults, take two (2) tablets daily, preferably on an empty stomach. In order to maximum benefits, SAM-e should be taken at least 30 minutes prior to a meal.

Storage

Keep tightly closed. Store at room temperature 59 degrees - 86 degrees F (15 degrees - 30 degrees C).

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

See for yourself

SAM-e 200 mg by Foster Regal label

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

SAM-e 200 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 SAM-e 200 mg by Foster Regal

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

Serving size2 Tablet(s) Dosage formTablet Or Pill Servings per container30 Amounts shown are per serving.

S-Adenosylmethionine

Interacts with
189 drugs
400 mg per serving

SAM-e is a compound your body makes naturally that is sold as a supplement, most often for depression and osteoarthritis. Some research suggests it ma...

S-Adenosylmethionine monograph & interactions

Other (inactive) ingredients: Cellulose, Mannitol, Polymethacrylate, Magnesium Stearate, Carboxymethylstarch Sodium, Silica, Triethyl Citrate. These complete the product’s ingredient list but are not active constituents.

Interaction report

SAM-e 200 mg by Foster Regal Drug Interactions

Want to check YOUR meds against SAM-e 200 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
189Drugs
189 Moderate

Ingredients driving the most interactions

S-Adenosylmethionine 189

Individual Drug Interactions

The ingredients in SAM-e 200 mg interact with 189 drugs. Click any drug to see the details.

1 of the 1 ingredient in SAM-e 200 mg interact with drugs. Each result below shows which ingredient is responsible. S-Adenosylmethionine

Each ingredient & the kinds of drugs it affects

For each ingredient in SAM-e 200 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.

S-Adenosylmethionine2 drug types · 189 drugs

Levodopa

SAMe might reduce the effectiveness of levodopa.
SAMe methylates levodopa, which might reduce its effectiveness for treating Parkinson disease.

Likelihood Possible Evidence D
Serotonergic Drugs

Taking SAMe with serotonergic drugs might increase the risk of serotonin syndrome and other serotonergic side effects.
SAMe has serotonergic effects. Theoretically, combining serotonergic drugs with SAMe might increase the risk of serotonergic side effects, including serotonin syndrome and cerebral vasoconstrictive disorders. In one case report, SAMe 100 mg intramuscularly was given daily with clomipramine (Anafranil) 25 mg per day. When the clomipramine dose was increased to 75 mg per day the patient experienced serotonin syndrome about 48-72 hours later, requiring hospitalization.

Likelihood Possible Evidence D
S-Adenosylmethionine full monograph & interactions
The maker

Brand information

Manufacturer and brand details for SAM-e 200 mg, from the product label.

Foster Regal

See all Foster Regal products
Name
Foster Regal Laboratories
Street Address
115 S.C.T. Ct.
City
White House
State
TN
ZipCode
37188
Pharmacist Counseling Corner

SAM-e 200 mg by Foster Regal: Common Questions

Does SAM-e 200 mg by Foster Regal interact with any medications?
Yes. Based on its ingredients, SAM-e 200 mg has a known interaction with 189 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
SAM-e 200 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.
Can I take SAM-e if I'm pregnant?
SAM-e is rated possibly safe in pregnancy, but safety data aren't extensive. Talk with your doctor or pharmacist before starting—they can weigh the potential benefit against any unknowns and help you make a choice that's right for your situation.
Does SAM-e actually work for depression?
The evidence suggests it's possibly effective—some studies show benefit, but we'd need more research to be certain. Your doctor can help you decide if it's worth trying alongside or instead of other treatments.
What's the most common side effect I might notice?
Nausea, diarrhea, and constipation are among the most frequently reported, though many people tolerate it well. Most side effects are mild and tend to happen more often at higher doses.
Is SAM-e safe for long-term use?
Short-term use is generally well tolerated, but long-term safety isn't as well established. Use it only under the guidance of your healthcare provider, who can monitor you and decide if ongoing use is right for you.
Can SAM-e affect my bipolar disorder?
Yes—SAM-e may trigger mania in people with bipolar disorder. If you have bipolar disorder, talk with your doctor before starting, as you may need to skip this supplement or use it only under close supervision.
What is SAM-e, and what does it do in my body?
SAM-e is a compound your body naturally makes, and it's involved in many chemical reactions that support mood, joint health, and liver function. The supplement is meant to boost your levels when they may be running low.

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

Not sure if SAM-e 200 mg is safe with your meds?

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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.

SAM-e 200 mg label
Go deeper

The Full Monographs Behind SAM-e 200 mg’s Ingredients

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

Herb & supplement monograph

Same

Interacts with 189 drugs

SAM-e is a compound your body makes naturally that is sold as a supplement, most often for depression and osteoarthritis. Some research suggests it may help with these conditions, but the qu...

Read the full Same monograph →
Sources

Sources & How We Checked

SAM-e 200 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 31 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.

Same 31 references
  1. Perna AF, Castaldo P, Ingrosso D, et al. Homocysteine, a new cardiovascular risk factor, is also a powerful uremic toxin. J Nephrol 1999;12:230-40.
  2. Mato JM, Camara J, Fernandez de Paz J, et al. S-adenosylmethionine in alcoholic liver cirrhosis: a randomized, placebo-controlled, double-blind, multicenter clinical trial. J Hepatol 1999;30:1081-9. PubMed
  3. Iruela LM, Minguez L, Merino J, Monedero G. Toxic interaction of S-adenosylmethionine and clomipramine. Am J Psychiatry 1993;150:522. PubMed
  4. Bradley JD, Flusser D, Katz BP, et al. A randomized, double blind, placebo controlled trial of intravenous loading with S-adenosylmethionine (SAM) followed by oral SAM therapy in patients with knee osteoarthritis. J Rheumatol 1994;21:905-11.
  5. Berlanga C, Ortega-Soto HA, Ontiveros M, Senties H. Efficacy of S-adenosyl-L-methionine in speeding the onset of action of imipramine. Psychiatry Res 1992;44:257-62. PubMed
  6. Kagan BL, Sultzer DL, Rosenlicht N, Gerner RH. Oral S-adenosylmethionine in depression: a randomized, double-blind, placebo-controlled trial. Am J Psychiatry 1990;147:591-5. PubMed
  7. Rosenbaum JF, Fava M, Falk WE, et al. The antidepressant potential of oral S-adenosyl-l-methionine. Acta Psychiatr Scand 1990;81:432-6. PubMed
  8. Domljan Z, Vrhovac B, Durrigl T, Pucar I. A double-blind trial of ademetionine vs naproxen in activated gonarthrosis. Int J Clin Pharmacol Ther Toxicol 1989;27:329-33.
  9. Konig B. A long-term (two years) clinical trial with S-adenosylmethionine for the treatment of osteoarthritis. Am J Med 1987;83:89-94. PubMed
  10. Lipinski JF, Cohen BM, Frankenburg F, et al. Open trial of S-adenosylmethionine for treatment of depression. Am J Psychiatry 1984;141:448-50.
  11. Almasio P, Bortolini M, Pagliaro L, Coltorti M. Role of S-adenosyl-L-methionine in the treatment of intrahepatic cholestasis. Drugs 1990;40:111-23. PubMed
  12. Friedel HA, Goa KL, Benfield P. S-adenosyl-L-methionine. A review of its pharmacological properties and therapeutic potential in liver dysfunction and affective disorders in relation to its physiological role in cell metabolism. Drugs 1989;38:389-416. PubMed
  13. Bottiglieri T, Hyland K, Reynolds EH. The clinical potential of ademetionine (S-adenosylmethionine) in neurological disorders. Drugs 1994;48:137-52. PubMed
  14. Frezza M, Centini G, Cammareri G, et al. S-adenosylmethionine for the treatment of intrahepatic cholestasis of pregnancy. Results of a controlled clinical trial. Hepatogastroenterology 1990;37:122-5.
  15. Singhal AB, Caviness VS, Begleiter AF, et al. Cerebral vasoconstriction and stroke after use of serotonergic drugs. Neurology 2002;58:130-3. PubMed
  16. Charlton CG, Crowell B Jr. Parkinson's disease-like effects of S-adenosyl-L-methionine: effects of L-dopa. Pharmacol Biochem Behav 1992;43:423-31..
  17. Goren JL, Stoll AL, Damico KE, et al. Bioavailability and lack of toxicity of S-adenosyl-L-methionine (SAMe) in humans. Pharmacotherapy 2004;24:1501-7. PubMed
  18. Arnold O, Saletu B, Anderer P, et al. Double-blind, placebo-controlled pharmacodynamic studies with a nutraceutical and a pharmaceutical dose of ademetionine (SAMe) in elderly subjects, utilizing EEG mapping and psychometry. Eur Neuropsychopharmacol 2005; PubMed
  19. Nelson JC. S-adenosyl methionine (SAMe) augmentation in major depressive disorder. (Editorial). Am J Psychiatry 2010;167:889-91.
  20. Kim J, Lee EY, Koh EM, et al. Comparative clinical trial of S-adenosylmethionine versus nabumetone for the treatment of knee osteoarthritis: an 8-week, multicenter, randomized, double-blind, double-dummy, Phase IV study in Korean patients. Clin Ther 2009; PubMed
  21. Manzillo G, Piccinino F, Surrenti C, et al. Multicentre double-blind placebo-controlled study of intravenous and oral S-adenosyl-L-methionine (SAMe) in cholestatic patients with liver disease. Drug Invest 1992;4 (Suppl 4):90-100. DOI
  22. Carrieri PB, Indaco A, Gentile S, et al. S-adenosylmethionine treatment of depressioin in patients with Parkinson's disease: a double-blind, crossover study versus placebo. Curr Ther Res 1990;48(1):154-60.
  23. Pancheri P, Scapicchio P, Delle Chiaie R. A double-blind, randomized parallel-group, efficacy and safety study of intramuscular S-adenosyl-L-methionine 1,4-butanedisulphonate (SAMe) versus imipramine in patients with major depressive disorder. Int J Neuro PubMed
  24. Medici V., Virata M. C., Peerson J. M., Stabler S. P., French S. W., Gregory J. F. III, Albanese A., Bowlus C. L., Devaraj S., Panacek E. A., Richards J. R., Halsted C. H. S-adenosyl-L-methionine treatment for alcoholic liver disease: a double-blinded, ra
  25. Chitiva, H., Audivert, F., and Alvarez, C. Suicide attempt by self-burning associated with ingestion of S-adenosylmethionine: a review of the literature and case report. J.Nerv.Ment.Dis. 2012;200(1):99-101. PubMed
  26. Carney, M. W., Edeh, J., Bottiglieri, T., Reynolds, E. M., and Toone, B. K. Affective illness and S-adenosyl methionine: a preliminary report. Clin Neuropharmacol. 1986;9(4):379-385. PubMed
  27. Miccoli, L., Porro, V., and Bertolino, A. Comparison between the antidepressant activity and of S- adenosylmethionine (SAMe) and that of some tricyclic drugs. Acta Neurol (Napoli) 1978;33 (3):243-255.
  28. Bacci, Ballerini F., Lopez, Anguera A., Alcaraz, P., and Hernandez, Reyes N. [SAMe in the management of postconcussional syndrome]. Medicina Clinica (Barc.) 1983;80(4):161-164.
  29. Muscettola G, Galzenati M, Balbi A. SAMe versus placebo: a double blind comparison in major depressive disorders. Advances in Biochemical Psychopharmacology 1982;32:151-6.
  30. Capretto C, Cremona C, and Canaparo L. A double-blind controlled study of S-adenosylmethionine (SAMe) v. ibuprofen in gonarthrosis, coxarthrosis and spondylarthrosis. Clin Trials J 1985;22(1):15-24.
  31. Ancarani E, Biondi B, Bolletta A, et al. Major depression complicating hemodialysis in patients with chronic renal failure: a multicenter, double-blind, controlled clinical trial of S-adenosyl-L-methionine versus placebo. Curr Ther Res 1993;54(6):680-6. DOI

See these in context on the Same 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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