BioStacks
Best for
Ingredients (6)
Vitamin B6
7%Dose
1.8 mg
Target
25–100 mg
Form
—
Pantothenic Acid
10%Dose
5 mg
Target
50–500 mg
Form
—
Niacin
68%Dose
17 mg
Target
25–500 mg
Form
—
Vitamin B12
1%Dose
2.6 mcg
Target
250–5000 mcg
Form
Not listed
Vitamin C
18%Dose
45 mg
Target
250–2000 mg
Form
Not listed
Other Ingredients (5)
Beta-Carotene (color)Color
Beta-carotene used in small amounts as a colorant/antioxidant.
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.
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.
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Best taken in the morning
The Vitamin B6 in it is what pulls this toward the morning. Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
On the label
Mix with hot, cold, still or sparkling water, juice, smoothie or your favorite beverage.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.99
Cheaper than 69% of 544 vitamin C supplements
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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.