Marketed for hair, skin, and nails, but the active doses here are unlikely to deliver visible results for you. **Biotin** at 2,500mcg is the headline ingredient and falls within the supplemental range, yet clinical trials showing hair or nail benefits have primarily been in biotin-deficient individuals — evidence for cosmetic benefits in healthy people is weak.
**Collagen** at 100mg is about 2% of the 5,000–10,000mg used in skin research, so it won't contribute meaningfully to your skin elasticity or hydration. **Vitamin C** at 15mg and **Vitamin E** at 6.75mg (in synthetic dl-alpha form) are both well below clinical ranges for antioxidant or collagen-synthesis support.
What you're really getting is a biotin gummy. If your goal is skin or nail support through collagen or antioxidant pathways, you'd need to look for products with substantially higher doses of those ingredients alongside this one.
BioStacks
Nature's Bounty Optimal Solutions
Hair, Skin & Nails Gummies Tropical Citrus Flavored
2 Gummies · 40 servings · $0.22/serving
Best for
Ingredients (4)
Biotin
100%Dose
2500 mcg
Target
1000–5000 mcg
Form
—
Vitamin E
14%Dose
6.8 mg
Target
50–268 mg
Form
Budget
Vitamin C
60%Dose
15 mg
Target
25–200 mg
Form
Budget
Collagen
2%Dose
0.1 g
Target
5–20 g
Form
Not listed
Nutrition
Calories, macros & sodium.
- Calories15 Calorie(s)
- Sodium10 mg
- Total Carbohydrates3 Gram(s)
- Total Sugars2 Gram(s)
Other Ingredients (12)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
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.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Citric AcidAcidulant
Natural acid derived from citrus fruits
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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.