Metagenics Somnolin supplement bottle
Metagenics

Somnolin Review

What We Researched
5 active ingredients analyzed · 5 inactive ingredients decoded · 8 brand certifications checked · Last updated: Aug 2026
95
Product Score Excellent
100
Brand Score Excellent

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
Vitamin B6 (as Pyridoxine Hydrochloride) 40 mg 2000%
Folate (as L-5-methyl tetrahydrofolate) 400 mcg 100%
Vitamin B12 (as Methylcobalamin) 500 mcg 8334%
L-5-Hydroxytryptophan (as Griffonia simplicifolia) 200 mg
L-Theanine 200 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Folate (as L-5-methyl tetrahydrofolate) Fair
  • Vitamin B12 (as Methylcobalamin) Good
  • L-5-Hydroxytryptophan (as Griffonia simplicifolia) Good
  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Cellulose
  • Stearic Acid
  • Croscarmellose Sodium
  • Silica
Efficacy Excellent

Dosage Analysis

  • Vitamin B6 (as Pyridoxine Hydrochloride) 40 mg Effective
  • Folate (as L-5-methyl tetrahydrofolate) 400 mcg Effective
  • Vitamin B12 (as Methylcobalamin) 500 mcg Effective
  • L-5-Hydroxytryptophan (as Griffonia simplicifolia) 200 mg Effective
  • L-Theanine 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B6 (as Pyridoxine Hydrochloride) 40 mg 2000%
Folate (as L-5-methyl tetrahydrofolate) 400 mcg 100%
Vitamin B12 (as Methylcobalamin) 500 mcg 8334%
L-5-Hydroxytryptophan (as Griffonia simplicifolia) 200 mg
L-Theanine 200 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.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Metagenics

Founded 1983 · Aliso Viejo, California, United States · 429 products · metagenics.com

Certifications

8 certifications
B Corp Certified Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
Usp Verified Verified Source
NSF Certified Verified
Gluten-Free Certified Verified

Transparency

6 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

3 incidents
Fda Warning A structure/function claim for 'Metagenics HerWellness Naturally Balanced' was deemed by the FDA to suggest the product is intended for use as a drug.2025-02-07Source
Prop 65 Lead2019-05-30Source
Fda Warning Mislabeling of 14 products as medical foods and making unapproved new drug claims.2013-08-13Source
Related Supplements
Frequently Asked Questions
Is Metagenics Somnolin a good supplement?

Metagenics Somnolin 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 5 active ingredients with 30 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Metagenics, holds a brand trust score of 100/100 with 8 verified certifications including B Corp Certified, Gluten Free Gfco, Non Gmo Project, Fda Gmp Inspections.

What are the ingredients in Metagenics Somnolin?

Metagenics Somnolin contains 5 active ingredients: Vitamin B6 (as Pyridoxine Hydrochloride) (40 mg), Folate (as L-5-methyl tetrahydrofolate) (400 mcg), Vitamin B12 (as Methylcobalamin) (500 mcg), L-5-Hydroxytryptophan (as Griffonia simplicifolia) (200 mg), L-Theanine (200 mg). Notable high-dose ingredients include Vitamin B6 at 2000% DV, Vitamin B12 at 8334% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Metagenics Somnolin safe to take?

Metagenics Somnolin has been analyzed for ingredient safety across all its components. All 5 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Metagenics a trustworthy supplement brand?

Metagenics receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1983 and headquartered in Aliso Viejo, California, United States, the company offers 429 products in their lineup. They hold 8 verified certifications including B Corp Certified, Gluten Free Gfco, Non Gmo Project, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Metagenics 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.