EVIDENCE-BASED SUPPLEMENT SCORING
7.8/10
SOLID OPTION

Confidence: 80%

Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, B12 Vitamins 1000 mcg, 150 Softgels, 150 Day Supply

Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, B12 Vitamins 1000 mcg

B00DS5BGDY

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Decision summary

CONSIDERSOLID OPTION

A solid product, but not a clean win. The main trade-off is weaker ingredient form quality.

Best for

People prioritizing high absorption and overall formula quality.

Consider another option if

You care a lot about label clarity and want fewer unknowns.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

8.6/10

Strong dosing for the intended goal

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Score summary

The formula stays relatively clean on excipients. The main limitation is that serving size or servings_per_container missing (-2).

Strengths

The formula stays relatively clean on excipients
The formulation has a clearer overall purpose
The safety profile looks solid

Weaknesses

Serving size or servings_per_container missing (-2)
Product name or brand not detected (-1)

Final verdict

A solid product, but not a clean win. The main trade-off is weaker ingredient form quality.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

✔ Clinically effective dose with moderate supporting evidence

Strong contributor: Dose is strong and within effective ranges. The declared form is acceptable, but not among the best-absorbed options.

Scientific evidence

Meta-analysis

Clarke et al. meta-analysis B vitamins and cognitive decline

American Journal of Clinical Nutrition • 2007

PMID: 22243457.0

RCT

Shipton & Thachil review of vitamin B12 deficiency and fatigue

Postgraduate Medical Journal • 2015

PMID: 20648714.0

Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, B12 Vitamins 1000 mcg, 150 Softgels, 150 Day Supply

Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, B12 Vitamins 1000 mcg, 150 Softgels, 150 Day Supply

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

i

Some label details are missing or unclear

Incomplete disclosure makes the product harder to evaluate confidently.

Info

There is a formulation caveat worth noting

Product name or brand not detected (-1)

Note

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

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