Designs For Health L-5-MTHF Natural S-Isomer supplement bottle
Designs For Health

L-5-MTHF Natural S-Isomer

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
92
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Folate 1000 mcg 250%
Bioavailability Fair

Absorption Rating

  • Folate Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • spinach juice powder
  • L-Leucine
Efficacy Excellent

Dosage Analysis

  • Folate 1000 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Folate 1000 mcg 250%

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.

spinach juice powder Unknown
L-Leucine Safe

It is included for its potential muscle-building and recovery benefits.

Price Comparison

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

Brand Trust Report
Designs For Health

Founded 1989 · Palm Coast, Florida, United States · 66 products · designsforhealth.com

Certifications

5 certifications
Consumerlab Verified Source
Nsf Certified For Sport Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Designs For Health L-5-MTHF Natural S-Isomer a good supplement?

Designs For Health L-5-MTHF Natural S-Isomer received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Designs For Health, holds a brand trust score of 92/100 with 5 verified certifications including Consumerlab, Nsf Certified For Sport, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Designs For Health L-5-MTHF Natural S-Isomer?

Designs For Health L-5-MTHF Natural S-Isomer contains 1 active ingredients: Folate (1000 mcg). Notable high-dose ingredients include Folate at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Designs For Health L-5-MTHF Natural S-Isomer safe to take?

Designs For Health L-5-MTHF Natural S-Isomer 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 Designs For Health a trustworthy supplement brand?

Designs For Health receives a brand trust score of 92/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1989 and headquartered in Palm Coast, Florida, United States, the company offers 66 products in their lineup. They hold 5 verified certifications including Consumerlab, Nsf Certified For Sport, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.