🟢 88/100

This product is generally safe

  • Vitamin B3: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 42% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin B3: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

2 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
42% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
200 mg (340% DV)
100 mg (1000% DV)
📊 20.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 100mg
50 mg (2500% DV)
📊 38.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 50mg UL 100mg
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
100 mcg (1667% DV)
📊 41.7× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.1mg
150 mg (38% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 150mg
5 mg (250% DV)
✅ 2.2× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 5mg UL 11mg
Potassium
350 mg (10% DV)
350 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 350mg
350 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 350mg
100 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 100mg
188 mg
✅ Within RDA (0.3× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 188mg UL 3500mg
GABA
100 mg
DMAE
100 mg
📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)
This product: 120mg
Vinpocetine
5 mg
2 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 2mg UL 20mg
100 mcg
📊 Market median: 0.15mg (41 products)
Median 0.15mg This product: 0.1mg
Proprietary Blend

Other Ingredients

Di-Calcium Phosphate Cellulose Stearic Acid Vegetable Magnesium Stearate Silicon Dioxide Citric Acid Glycine

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: Take 2-4 tablets a day. For maximum short-term performance, use 4 tablets.

⚠️ Warnings & Precautions

Warning: Consult with your healthcare provider if you have high blood pressure or heart problems, severe liver or kidney disease, or if you are taking a blood thinning medication. Not to be used by pregnant or breastfeeding women, or with antidepressant drugs containing MAO or SSR inhibitors.

Additional Information

Multi-nutritional formula

Product Details

UPC / SKU 7 39223 00002 2
DSLD Entry Date 2017-10-21
Product Type Other Combinations
Form Tablet or Pill
Brand NuNaturals
DSLD ID 79032
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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