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Nature Made Vitamin B12 1000mcg
SPECIMEN #NATURE-M
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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.

6.0/10
GOOD

Cyanocobalamin B12 at 1000mcg. Your body must convert this to methylcobalamin (the active form). Conversion efficiency varies. USP Verified. Budget B12 that works for most people, not optimal for all.

1 ingredientSoftgels90 servings
We'd recommend this
Evidence
5.0
Dosing
7.0
SynergyN/A (single ingredient)
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Whenmorning

B12 can be mildly energizing.

Foodwith food

Better absorption with food.

SafetyAll clear

B12 is water-soluble. Excess excreted safely.

ResearchStrong evidence

B12 supplementation is well-studied. Methylcobalamin is preferred form.

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

Vitamin B12 1000mcg Supplement Facts

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
Vitamin B1210.0

Cyanocobalamin

1000 mcgCLINICAL
100%
1000 mcg

of 1000mcg

CLINICAL
100%
In our database (click to learn more) Not yet reviewed

Our Analysis

Best For

Vegetarians and vegans.Adults 50+ with B12 absorption decline.Budget B12 seekers.

Skip This If

People with MTHFR variants (get methylcobalamin).

Time to Feel

1-2 weeks if deficient.

Value

GOOD

How to take: Daily if B12-deficient.

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