Product analysis
Heavenly Hair Tropical Citrus may help hair shedding caused by low biotin intake. Support for brittle nails is less certain, and its biotin is relatively costly for the amount provided.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality48
The biotin is clearly identified as the biologically active D form. Other ingredients are less clearly described, and the silica and horsetail details do not establish the silicon preparation used in the relevant cosmetic research.
Ingredient Transparency72
Ingredient amounts are disclosed and some forms are identified. Unspecified forms still limit like-for-like comparisons.
Value For Money45
Biotin is relatively costly, while the keratin and silicon comparisons are more favorable. Several other ingredient comparisons remain uncertain, so the price advantage is uneven across the formula.
Customer Satisfaction70
Customer feedback is strongly positive. The relatively small review pool limits how representative that feedback may be.
Product Focus67
Biotin provides the clearest connection to hair shedding from low intake, with more limited support for brittle nails. The other small or incompletely characterized ingredients do not establish added cosmetic benefits, and the large biotin amount does not imply better results.
- Format
Gummy - Container
- 60 Gummy(ies)
- Per serving
- $0.53
- Customer rating
- 4.6 · 156 ratings
Goals
Biotin is the main nail-related ingredient here, with limited support from small brittle-nail studies and a short-term growth study. Its 3000 mcg per serving receives full amount credit, without establishing repeated daily exposure or durable benefit. Keratin is below the inclusion threshold and does not establish equivalence to the studied feather keratin preparation. Silica and horsetail do not establish the elemental silicon exposure used in the relevant nail study.
How this product is rated for Nail Health
Ingredient fit82
Goal fit
Dose adequacy
Pathways70
Depth
Breadth
Evidence100
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
No linked studies yet.
Biotin can help address diffuse shedding caused by inadequate intake, without established regrowth benefit when intake is adequate. The smaller keratin and zinc declarations are not counted in the saved findings. Generic keratin does not establish equivalence to the reviewed hair-gloss preparation, while silica and horsetail do not establish the elemental silicon preparation used for hair-shaft strength and thickness.
How this product is rated for Hair Health
Ingredient fit79
Goal fit
Dose adequacy
Pathways0
Depth
Breadth
Evidence80
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
No linked studies yet.
Biotin and zinc support normal skin functions, particularly when nutritional needs are unmet. The 3,000 mcg biotin amount is much higher than ordinary nutritional needs and does not imply additional cosmetic benefit.
The supplied silicon amount and preparation are unresolved, so horsetail material cannot be compared directly with the reviewed elemental-silicon preparation. Keratin and fruit-source mass likewise offer limited support for a specific skin outcome.
How this product is rated for Skin Health
Ingredient fit74
Goal fit
Dose adequacy
Pathways0
Depth
Breadth
Evidence54
Evidence strength
Studied preparation
Formulation logic88
Partner coverage
Conflicts
Effective doses
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 15 Calorie(s) | |
Total Carbohydrates | 3 Gram(s) | |
Biotin (D-Biotin) | 3000 mcg | |
Zinc (Zinc Citrate) | 5.5 mg | |
Keratin | 25 mg | |
Amla extract | 25 mg | |
Horsetail extract | 25 mg | |
Silica | 21 mg |
How this ingredient is rated
Active Ingredient Quality & Bioavailability27
Silicon Chemical Form & Absorption
Botanical Standardization & Extract Quality
Trademark and Source Transparency
Dose, Safety & Label Transparency30
Elemental Silicon Dosage Adequacy
Label Transparency: Source vs. Active Yield
Value70
Price per Serving Relative to Median
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
Biologically Active d-Biotin Isomer
Excipient Purity
Dose, Safety & Label Transparency84
Biotin Potency for Health Goals
Label Transparency & Exact Disclosure
Value20
Price per 5,000 mcg Biotin
How this ingredient is rated
Composition and Label Disclosure24
Marker and Preparation Disclosure
Horsetail Source Description
Composition and Label Disclosure33
Amount and Label Disclosure
Individual Preparation Amount Disclosure
Commercial Price and Usability
Alternative products
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
- Low serum biotinidase activity in children with valproic acid monotherapy.
- Vitamins A, B, C, and D: A Short Review for the Dermatologist.
- The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
- The Effects of an Oral Supplementation of a Natural Keratin Hydrolysate on Skin Aging: A Randomized, Double-Blind, Placebo-Controlled Clinical Study in Healthy Women.
- Halloysite/Keratin Nanocomposite for Human Hair Photoprotection Coating.
- Annurca Apple Nutraceutical Formulation Enhances Keratin Expression in a Human Model of Skin and Promotes Hair Growth and Tropism in a Randomized Clinical Trial.
- Keratin/alginate hybrid hydrogels filled with halloysite clay nanotubes for protective treatment of human hair.
- Patient Satisfaction and Adverse Effects Following the use of Topical Hair Fiber Fillers.
- Effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin.
- Effect of oral intake of choline-stabilized orthosilicic acid on hair tensile strength and morphology in women with fine hair
- The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
- Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
- A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
- BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
- Analysis of serum zinc and copper concentrations in hair loss.
- Biotin for the treatment of nail disease: what is the evidence?
- Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy.
- Treatment of brittle nail with a hydroxypropyl chitosan-based lacquer, alone or in combination with oral biotin: A randomized, assessor-blinded trial.
- Vitamins and minerals: their role in nail health and disease.