Jarrow Formulas SAMe 400, 400 mg, 60 Tablets supplement bottle
Jarrow Formulas

SAMe 400, 400 mg, 60 Tablets

What We Researched
1 active ingredient analyzed · 10 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair
83
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
S-Adenosyl Methionine (from 800 mg of SAMe tosylate disulfate) 400 mg
Bioavailability Fair

Absorption Rating

  • S-Adenosyl Methionine (from 800 mg of SAMe tosylate disulfate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hypromellose Acetate Succinate
  • Stearic Acid
  • Triethyl Citrate
  • Riboflavin
  • Glyceryl Behenate
  • Magnesium Stearate
  • Silicon Dioxide
  • Mannitol
  • Sodium Starch Glycolate
Efficacy Very Poor

Dosage Analysis

  • S-Adenosyl Methionine (from 800 mg of SAMe tosylate disulfate) 400 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
S-Adenosyl Methionine (from 800 mg of SAMe tosylate disulfate) 400 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Hypromellose Acetate Succinate Unknown
Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Triethyl Citrate Generally_safe

It is used as a plasticizer or solvent.

Riboflavin Safe

It is used as a source of vitamin B2.

Glyceryl Behenate Safe

It is used as a lubricant in tablet and capsule manufacturing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Sodium Starch Glycolate Safe

Helps tablets break apart quickly for faster absorption.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$77$76$75$74$73 Mar 12 $75.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Jarrow Formulas

Founded 1977 · Los Angeles, California, USA · 138 products · jarrow.com/

Certifications

5 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Recall Liquid L-Carnitine2018-01-15Source
Prop 65 Lead2017-09-07Source
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Frequently Asked Questions
Is Jarrow Formulas SAMe 400, 400 mg a good supplement?

Jarrow Formulas SAMe 400, 400 mg, 60 Tablets received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients Of the 10 inactive ingredients, 7 are rated safe and 0 are flagged for review. The manufacturer, Jarrow Formulas, holds a brand trust score of 83/100 with 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Usda Organic.

What are the ingredients in Jarrow Formulas SAMe 400, 400 mg?

Jarrow Formulas SAMe 400, 400 mg contains 1 active ingredients: S-Adenosyl Methionine (from 800 mg of SAMe tosylate disulfate) (400 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Jarrow Formulas SAMe 400, 400 mg safe to take?

Jarrow Formulas SAMe 400, 400 mg, 60 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Jarrow Formulas a trustworthy supplement brand?

Jarrow Formulas receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1977 and headquartered in Los Angeles, California, USA, the company offers 138 products in their lineup. They hold 5 verified certifications including Consumerlab, Fda Gmp Inspections, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Jarrow Formulas has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.