SPECIMEN #NATURE-M
Verified
B_VITAMINSNature Made
Vitamin B12 1000mcg
Cyanocobalamin B12 your body must convert to the active methylcobalamin form. Works for most people. MTHFR carriers and adults 50+ should get methylcobalamin instead. USP Verified, pharmacy priced. Functional, not optimal.
8.0/10
EXCELLENT1000mcg B12 at the optimal supplemental dose. Cyanocobalamin form requires conversion to methylcobalamin, and conversion efficiency varies by person. Still, 1000mcg is enough that even with suboptimal conversion, you'll get adequate B12. USP Verified. Good budget B12.
1 ingredientSoftgels90 servings
Evidence
7.0
Dosing
10.0
SynergyN/A (single ingredient)
What We Like
- 1000mcg is a therapeutic dose.
- 90 softgels at pharmacy pricing.
- USP Verified.
- Adequate for most B12-deficient individuals.
Watch Out For
- Cyanocobalamin requires conversion to active methylcobalamin.
- MTHFR variants may impair conversion.
- Not sublingual (gut absorption may be limited in elderly).
- Contains a tiny amount of cyanide (released during conversion).
What We Analyzed
Verified Supplement Facts
Every dose checked against clinical research
We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.
1 ingredients analyzed1 at clinical doses
Source: Official product page
Ingredient Breakdown
1 clinical
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
In our database (click to learn more) Not yet reviewed
Our Analysis
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