🟢 90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 59% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
59% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
200 mg (222% DV)
30 mg (188% DV)
✅ 2.1× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 30mg UL 35mg
75 mg (4412% DV)
📊 57.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 75mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
25 mcg (1042% DV)
📊 10.4× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.025mg
2000 mcg (6667% DV)
📊 66.7× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 2.0mg
100 mg (2000% DV)
📊 20.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 100mg
Iron
10 mg (56% DV)
150 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.15mg UL 1.1mg
30 mg (273% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
2 mg (222% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
10 mg (435% DV)
📊 4.3× RDA — above typical dose (UL: 11 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 10mg UL 11mg
200 mg (36% DV)
✅ Within RDA (0.4× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 200mg UL 3500mg
L-Cysteine
400 mg
150 mg
📊 Market median: 500.0mg (9 products)
This product: 150mg
100 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 100mg
Proprietary Hair Support Blend
224 mg

Other Ingredients

Microcrystalline Cellulose Croscarmellose Chlorophyll Coating

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement take 1 tablet 2 times daily.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal under cap is broken or missing.

🧪 Formulation Notes

Free of: Gluten, sugar, salt, starch, yeast, corn, soy, wheat, lactose, milk, egg, fish products, artificial coloring, flavoring, or preservatives added.

Viva Hair contains effective amounts of both cysteine and biotin, as well as a whole host of vitamins, minerals and herbs to support healthy hair.

Viva Hair can help protect hair from the damaging effects of free radicals. In addition, Viva Hair helps to create an ideal environment for hair growth.

Made in the USA - In God We Trust Manufactured in an NSF - GMP Certified Facility

Non-GMO

We at Viva are proud to use only the best food-based ingredients in our supplements. Our raw materials come from the USA, and we use only organic sources to ensure you're getting the best product possible, from the ground up!

With L-cysteine and biotin to support healthy hair

Additional Information

Store is a cool dry place. Do not refrigerate.

Please recycle.

We always use the highest quality ingredients Premium formulas

Product Details

UPC / SKU 8 12720 01629 8
DSLD Entry Date 2021-06-23
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 250441
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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