WeightWorld B12 Vitamin 5000mcg | 6-Month Supply | B12 Methylcobalamin…
Our verdict
WeightWorld B12 Vitamin 5000mcg | 6-Month Supply | B12 Methylcobalamin… works out to $0.11 per serving of vitamin b12 (cobalamin), at 5000mcg per serving in tablet form. That puts it below the median of the 143 vitamin b12 (cobalamin) products we can price per dose, where the typical serving costs $0.13, a Value Index of 1.2 where the median product is 1.0. One container lasts 180 days at the label dose of 1 serving a day, about $3.33 a month. We could not verify a third-party certification for WeightWorld in a public registry. Worked out from the current retail price as of 2026-11-13; confirm the live price on Amazon.com before buying.
Questions about this product
- How much does one serving of WeightWorld B12 Vitamin 5000mcg | 6-Month Supply | B12 Methylcobalamin… cost?
- $0.11 per serving, which is 5000mcg of vitamin b12 (cobalamin) in tablet form, against a typical $0.13 across the 143 vitamin b12 (cobalamin) products we can price per dose, a Value Index of 1.2 where the median product is 1.0. Worked out from the current retail price as of 2026-11-13, not the sticker price.
- How long does one container of WeightWorld B12 Vitamin 5000mcg | 6-Month Supply | B12 Methylcobalamin… last?
- 180 days at the label dose of 1 serving a day, which is about $3.33 a month.




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Lead with cost-per-dose, not vibes.