If you're looking for hair, skin, and nail support, this gummy leans almost entirely on **Biotin** at 5,000mcg — a high dose, but one that only has clinical evidence for people who are actually biotin-deficient. If your biotin levels are normal, research does not support meaningful benefits for your hair or nails at any dose.
The remaining ingredients are dosed well below clinical ranges. **Zinc** at 2.7mg is about 18% of the minimum supplemental dose studied for skin health. **Vitamin C** at 20mg is 8% of the typical supplemental range. **Vitamin D** at 5mcg uses the D2 form, which is significantly less effective than D3 at raising your blood levels. **Vitamin B12** at 6mcg uses cyanocobalamin, a synthetic form that requires conversion in your body.
This is a multivitamin at maintenance-level doses with a large biotin add-on. If you're looking for meaningful support for hair, skin, or nails, the doses here — outside of biotin — are too low to move the needle.
BioStacks
Ingredients (14)
Biotin
100%Dose
5000 mcg
Target
1000–5000 mcg
Form
—
Vitamin B6
8%Dose
2 mg
Target
25–100 mg
Form
Premium
Vitamin B12
2%Dose
6 mcg
Target
250–5000 mcg
Form
Budget
Pantothenic Acid
10%Dose
5.2 mg
Target
50–500 mg
Form
Not listed
Vitamin C
80%Dose
20 mg
Target
25–200 mg
Form
Budget
Other Ingredients (10)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Beet ColorColorant
Natural red-pink colorant from dehydrated beets or beet juice; the pigment is betanin
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
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamins A, D and E in it absorb poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Take 1 chew per day. Do not exceed recommended daily dosage.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.