Life Extension Homocysteine Resist supplement bottle
Life Extension

Homocysteine Resist Review

What We Researched
4 active ingredients analyzed · 5 inactive ingredients decoded · 4 brand certifications checked · Page generated: Sep 2026
95
Product Score Excellent
87
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Riboflavin (vitamin B2) 25 mg 1923%
Vitamin B6 (as pyridoxal 5'-phosphate) 100 mg 5882%
Folate (as L-5-methyltetrahydrofolate calcium salt) 8500 mcg° 2125%
Vitamin B12 (as methylcobalamin) 1000 mcg 41667%
Bioavailability Very Good

Absorption Rating

  • Riboflavin (vitamin B2) Good
  • Vitamin B6 (as pyridoxal 5'-phosphate) Fair
  • Folate (as L-5-methyltetrahydrofolate calcium salt) Good
  • Vitamin B12 (as methylcobalamin) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Vegetable Cellulose (Capsule)
  • Stearic Acid
  • Silica
  • Rice Extract Blend
Efficacy Excellent

Dosage Analysis

  • Riboflavin (vitamin B2) 25 mg Effective
  • Vitamin B6 (as pyridoxal 5'-phosphate) 100 mg Effective
  • Folate (as L-5-methyltetrahydrofolate calcium salt) 8500 mcg° High
  • Vitamin B12 (as methylcobalamin) 1000 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Riboflavin (vitamin B2) 25 mg 1923%
Vitamin B6 (as pyridoxal 5'-phosphate) 100 mg 5882%
Folate (as L-5-methyltetrahydrofolate calcium salt) 8500 mcg° 2125%
Vitamin B12 (as methylcobalamin) 1000 mcg 41667%

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.

Vegetable Cellulose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Rice Extract Blend Safe

It is used for its antioxidant properties or as a source of other beneficial compounds.

Brand Trust Report
Life Extension

Founded 1980 · Fort Lauderdale, Florida, USA · 700 products · lifeextension.com

Certifications

4 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Gmp Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

4 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Brand claim; evidence unavailable

Violation History

3 incidents
Prop 65 Lead2018-04-13 Source available Primary source
Fda Warning Making drug claims for dietary supplements, suggesting they can treat, mitigate, or prevent diseases such as breast cancer and Alzheimer's.2017-02-01 Source available Primary source
Fda Warning Letter FDA Warning Letter Source available Primary source
Related Supplements
Frequently Asked Questions
Is Life Extension Homocysteine Resist a good supplement?

Life Extension Homocysteine Resist received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Life Extension, holds a brand trust score of 87/100.

What are the ingredients in Life Extension Homocysteine Resist?

Life Extension Homocysteine Resist contains 4 active ingredients: Riboflavin (vitamin B2) (25 mg), Vitamin B6 (as pyridoxal 5'-phosphate) (100 mg), Folate (as L-5-methyltetrahydrofolate calcium salt) (8500 mcg°), Vitamin B12 (as methylcobalamin) (1000 mcg). Notable high-dose ingredients include Riboflavin at 1923% DV, Vitamin B6 at 5882% DV, Folate at 2125% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Life Extension Homocysteine Resist safe to take?

GoodSupp reviewed the inactive-ingredient data available for Life Extension Homocysteine Resist. All 5 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Life Extension a trustworthy supplement brand?

Life Extension receives a brand trust score of 87/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Fort Lauderdale, Florida, USA, the company offers 700 products in their lineup. Note: Life Extension has 3 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 — read our methodology. 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.