Hairfluence

product on market Capsule ZHOU 🟢 Safety: 98/100
Brand: ZHOU
🟢 98/100

This product looks safe

  • Folate: 340mg is 340.0× the Tolerable Upper Intake Level (1.0mg)
  • 57% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 340mg is 340.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

2 Vegetable Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
57% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
100 mg (111% DV)
10 mcg (50% DV)
✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.01mg UL 0.1mg
5 mg (417% DV)
📊 4.2× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 5mg
5 mg (385% DV)
📊 3.8× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 5mg
5 mg (31% DV)
✅ Within RDA (0.4× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 5mg UL 35mg
6 mg (353% DV)
📊 4.6× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 6mg UL 100mg
340 mcg DFE (85% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 340.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 340mg UL 1.0mg
20 mcg (833% DV)
📊 8.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.02mg
10000 mcg (33333% DV)
📊 333.3× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 10.0mg
50 mg (1000% DV)
📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 50mg
Lustriva
160 mg
Keranat Vegan Keratin Blend
300 mg
400 mg
📊 Market median: 1000.0mg (2 products)
This product: 400mg
Bamboo Stem Extract
20 mg

Other Ingredients

Cellulose L-Leucine

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use: Adults take two (2) capsules once daily or as directed by a healthcare professional. For maximum effect, take daily for at least 30 days.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dose. Do not use if safety seal is damaged or missing.

Pregnant or nursing mothers, children under 18 and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18 and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of reach of children.

🧪 Formulation Notes

Premium Hair support formula

Vegan V

Made with non-GMO ingredients Gluten free Made without Soy

For stronger, healthier hair

Additional Information

Store in a cool, dry place.

Vegan V Lab verified Made in the USA with Global ingredients

#howizhou Facebook Instagram

Product Details

UPC / SKU 8 59805 00614 0
DSLD Entry Date 2025-06-25
Product Type Other Combinations
Form Capsule
Brand ZHOU
DSLD ID 335785
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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