Hairstrength
86/100
This product is generally safe
- Niacinamide: 250mg is 7.1× the Tolerable Upper Intake Level (35mg)
- Contains proprietary blend — exact ingredient amounts not disclosed
- 78% of ingredients have research evidence
C
Label Compliance Grade
Product Label
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Safety Alerts
⚠️ Niacinamide: 250mg is 7.1× the Tolerable Upper Intake Level (35mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed
Label Data
2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
78%
Evidence Coverage
Supplement Facts — Evidence Check
10 mg
(769% DV)
📊 7.7× RDA — above typical dose
📚 12 studies (Tier A: 0, B: 1)
250 mg
(1562% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 7.1× (UL: 35 mg)
📚 193 studies (Tier A: 5, B: 63)
20 mg
(1176% DV)
📊 15.4× RDA — above typical dose (UL: 100 mg)
📚 113 studies (Tier A: 3, B: 35)
5000 mcg
(16666% DV)
📊 166.7× RDA — above typical dose
📚 26 studies (Tier A: 0, B: 11)
100 mg
(2000% DV)
📊 20.0× RDA — above typical dose
📚 1 studies — no high-quality reviews
15 mg
(136% DV)
✅ 1.4× RDA — within safe limits
📚 258 studies (Tier A: 6, B: 134)
35 mcg
(63% DV)
✅ Within RDA (0.6× RDA of 0.055 mg)
📚 172 studies (Tier A: 0, B: 67)
1 mg
(111% DV)
✅ 1.1× RDA — within safe limits
📚 36 studies (Tier A: 0, B: 11)
Proprietary Blend
720 mg
Other Ingredients
Magnesium Trisilicate
Silica
Magnesium Stearate
Label Claims — Verification
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (85% of products)
Nutrient (48% of products)
No Claim (1% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Dairy Free
Sugar Free
Product Information
📋 Directions for Use
Take two capsules per day, as a dietary supplement.
🧪 Formulation Notes
Natural + Strong + Healthy Hair + Skin + Nails
No soy/salt/yeast/gluten/sugar/starch/preservatives
High Level Hairstrength promotes healthy skin with hyaluronic acid to naturally moisture intense nutritional support from a high dose
No soy, salt, yeast, gluten, milk & egg products, sugar, starch, or preservatives.
Product Details
DSLD Entry Date
2023-06-22
Product Type
Other Combinations
Form
Capsule
Brand
High Level
DSLD ID
287460
Data Updated
2026-04-11
Research Evidence
22
Research Sources
49
Avg Quality Score
8
Rct
4
Meta Analysis
4
Clinical Trial
3
Systematic Review
1
Cochrane Review
1
Regulatory Source
B
Effect of vitamin B2, vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
B
Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
B
Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
B
Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
C
Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
C
The efficacy of 2 different phakic intraocular lens implant in keratoconus as an isolated procedure or combined with collagen crosslinking and intra-stromal corneal ring segments: a systematic review and meta-analysis
C
Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
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