Metagenics Ceralin® supplement bottle
Metagenics

Ceralin® Review

What We Researched
9 active ingredients analyzed · 4 inactive ingredients decoded · 8 brand certifications checked · Page generated: Sep 2026
96
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
Thiamin (as Thiamin mononitrate) 30 mg 2,500%
Riboflavin 30 mg 2,308%
Niacin (as niacinamide) 250 mg 1,563%
Vitamin B6 (as pyridoxine HCl) 25 mg 1,471%
Folate (as calcium L-5-Methyltetrahydrofolate) 830 mcg DFE 208%
Vitamin B12 (as methylcobalamin) 500 mcg 20,833%
N-Acetylcysteine 600 mg **
Acetyl-L-Carnitine HCl 600 mg **
Grape Seed Extract (Vitis Vinifera) [standardized to 85% (170 mg) oligomeric proanthocyanidins] 204 mg **
Bioavailability Very Good

Absorption Rating

  • Thiamin (as Thiamin mononitrate) Fair
  • Riboflavin Good
  • Niacin (as niacinamide) Good
  • Vitamin B6 (as pyridoxine HCl) Fair
  • Folate (as calcium L-5-Methyltetrahydrofolate) Good
  • Vitamin B12 (as methylcobalamin) Good
  • N-Acetylcysteine Good
  • Acetyl-L-Carnitine HCl Good
  • Grape Seed Extract (Vitis Vinifera) [standardized to 85% (170 mg) oligomeric proanthocyanidins] Good
Other Ingredients Excellent

Fillers & Additives

  • Capsule (Hypromellose)
  • Microcrystalline Cellulose
  • Silica
  • Magnesium Stearate (Vegetable)
Efficacy Excellent

Dosage Analysis

  • Thiamin (as Thiamin mononitrate) 30 mg Effective
  • Riboflavin 30 mg Effective
  • Niacin (as niacinamide) 250 mg High
  • Vitamin B6 (as pyridoxine HCl) 25 mg Effective
  • Folate (as calcium L-5-Methyltetrahydrofolate) 830 mcg DFE Effective
  • Vitamin B12 (as methylcobalamin) 500 mcg Effective
  • N-Acetylcysteine 600 mg Effective
  • Acetyl-L-Carnitine HCl 600 mg Effective
  • Grape Seed Extract (Vitis Vinifera) [standardized to 85% (170 mg) oligomeric proanthocyanidins] 204 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Thiamin (as Thiamin mononitrate) 30 mg 2,500%
Riboflavin 30 mg 2,308%
Niacin (as niacinamide) 250 mg 1,563%
Vitamin B6 (as pyridoxine HCl) 25 mg 1,471%
Folate (as calcium L-5-Methyltetrahydrofolate) 830 mcg DFE 208%
Vitamin B12 (as methylcobalamin) 500 mcg 20,833%
N-Acetylcysteine 600 mg **
Acetyl-L-Carnitine HCl 600 mg **
Grape Seed Extract (Vitis Vinifera) [standardized to 85% (170 mg) oligomeric proanthocyanidins] 204 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Capsule (Hypromellose) Safe

It is used to encapsulate the supplement ingredients.

Microcrystalline Cellulose Safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate (Vegetable) Generally_safe

It prevents ingredients from sticking to manufacturing equipment.

Brand Trust Report
Metagenics

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

Certifications

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

Transparency

6 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable
Contains Proprietary Blend — True Brand claim; evidence unavailable

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.2025-02-07 Source available Primary source
Prop 65 Lead2019-05-30 Source available Primary source
Fda Warning Mislabeling of 14 products as medical foods and making unapproved new drug claims.2013-08-13 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Metagenics Ceralin® a good supplement?

Metagenics Ceralin® received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 9 active ingredients with 30 servings per container. All 4 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.

What are the ingredients in Metagenics Ceralin®?

Metagenics Ceralin® contains 9 active ingredients: Thiamin (as Thiamin mononitrate) (30 mg), Riboflavin (30 mg), Niacin (as niacinamide) (250 mg), Vitamin B6 (as pyridoxine HCl) (25 mg), Folate (as calcium L-5-Methyltetrahydrofolate) (830 mcg DFE), Vitamin B12 (as methylcobalamin) (500 mcg), and 3 more. Notable high-dose ingredients include Thiamin at 2,500% DV, Riboflavin at 2,308% DV, Niacin at 1,563% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Metagenics Ceralin® safe to take?

GoodSupp reviewed the inactive-ingredient data available for Metagenics Ceralin®. All 4 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 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. 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.