BioStacks
Nature's Sunshine
Methyl B-12 Complete Liquid
Liquid · 1/4 Teaspoon (1 Ml) · 59 servings · $0.41/serving
Best for
Ingredients (5)
Vitamin B12
100%Dose
1000 mcg
Target
250–5000 mcg
Form
Premium
Vitamin B6
4%Dose
1 mg
Target
25–100 mg
Form
Premium
Niacin
40%Dose
10 mg
Target
25–500 mg
Form
Standard
Riboflavin
3%Dose
0.8 mg
Target
25–100 mg
Form
Budget
Thiamine
2%Dose
0.5 mg
Target
25–100 mg
Form
Budget
Other Ingredients (9)
Sodium BenzoatePreservative
Benzene can form in presence of ascorbic acid plus metals/heat/light; may trigger reactions in sensitive individuals
SorbitolSweetener
A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Potassium SorbatePreservative
Natural preservative derived from sorbic acid
Citric AcidAcidulant
Natural acid derived from citrus fruits
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
Sodium CarbonatesBuffering Agent
Alkaline buffering agents used to adjust pH and improve stability of supplement formulations
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.