🟡 77/100

Review before taking

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 33% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

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

The safety score is low because the niacin content exceeds the recommended daily maximum and the product uses a proprietary blend that does not disclose the exact amounts of each ingredient.

Label Data

1 Capsule(s) Serving Size
20 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
100 mg (167% DV)
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
Proprietary Blend
1060 mg

Other Ingredients

Gelatin Microcrystalline Cellulose Silica Magnesium Stearate

Label Claims — Verification

All Other
Structure/Function
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 1-4 capsules when needed for an energy boost.

⚠️ Warnings & Precautions

Warning: For occasional use only. Not intended for use as a substitute for sleep. If fatigue or drowsiness persists or continues to recur, consult a doctor.

Limit the use of caffeine containing medications, foods, or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness, and occasionally rapid heart beat.

Do not give to children under 12 years of age.

As with any drug, if you are pregnant or nursing, seek the advice of a health professional before using this product.

In case of accidental overdose, seek professional assistance or contact a poison control center immediately.

Keep out of reach of children.

🧪 Formulation Notes

The recommended dose (3 capsules) of this product contains about as much caffeine as 2/3 of a cup of coffee.

Additional Information

VI

Product Details

UPC / SKU 7 39223 00009 1
DSLD Entry Date 2017-09-21
Product Type Other Combinations
Form Capsule
Brand NuNaturals
DSLD ID 79012
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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