NAD+

product on market Capsule Rainbow Nutrients Safety: 90/100
90/100

This product looks safe

  • Nicotinamide Riboside Chloride: 1500mg is 42.9× the Tolerable Upper Intake Level (35mg)
  • 75% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Nicotinamide riboside and resveratrol are researched for supporting cellular energy and longevity, though evidence for these effects in humans remains moderate. Quercetin and bioperine are included to support antioxidant activity and nutrient absorption. Overall, clinical evidence for this specific combination is limited.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Nicotinamide Riboside Chloride: 1500mg is 42.9× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for NAD+
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Exceeds UL by 42.9× (UL: 35 mg) 196 studies (A:5, B:63)
300 mg
Market median: 167.0mg (311 products) 183 studies (A:0, B:65)
200 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Bioperine
10 mg

Other Ingredients

Hypromellose Rice Flour Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use Take 2-3 capsules once a day, 30 minutes before activity or as directed by your healthcare professional. For best results, take daily for at least 21 consecutive days or more. Otherwise results may diminish.

Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal is damaged or missing.

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

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

Formulation Notes

Nicotinamide Riboside + Resveratrol, Quercetin, BioPerine

Healthy aging & longevity Supports energy & skin

Made with Non GMO ingredients

Vegan Friendly

Zero GMO's, antibiotics, preservatives, gluten, shellfish, dairy, soy & wheat, sugar, corn, hormones, lactose, egg, peanuts, tree nuts

Additional Information

Store in a cool & dry place.

Tell us what you think Have a question? Not happy with the product? Please email us and we will make it right. customers@rainbownutrients.com

Made with Non GMO ingredients Vegan Friendly Lab Tested 3rd Party Certified for Purity & Potency Made in USA with globally sourced ingredients GMPc Facility Good Manufacturing Practice-Consistency Quality

Metadata

Product Details

DSLD Entry Date2025-05-21
Product TypeOther Combinations
FormCapsule
DSLD ID333646
Data Updated2026-04-11
Research

Research Evidence

10
Research Sources
49
Avg Quality
8
Rct
1
Systematic Review
1
Clinical Trial
B Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults
Rct Nature communications 2018 PubMed DOI
C The effects of NAD+ precursor (nicotinic acid and nicotinamide) supplementation on weight loss and related hormones: a systematic review and meta-regression analysis of randomized controlled trials
Systematic Review Frontiers in nutrition 2023 PubMed DOI
C Effect of nicotinamide riboside on airway inflammation in COPD: a randomized, placebo-controlled trial.
Rct Nature aging PubMed DOI
C Safety and Metabolism of Long-term Administration of NIAGEN (Nicotinamide Riboside Chloride) in a Randomized, Double-Blind, Placebo-controlled Clinical Trial of Healthy Overweight Adults
Rct Scientific reports 2019 PubMed DOI
C Nicotinamide Riboside Augments the Aged Human Skeletal Muscle NAD+ Metabolome and Induces Transcriptomic and Anti-inflammatory Signatures
Rct Cell reports 2019 PubMed DOI
C Oral nicotinamide riboside raises NAD+ and lowers biomarkers of neurodegenerative pathology in plasma extracellular vesicles enriched for neuronal origin
Rct Aging cell 2023 PubMed DOI
C Nicotinamide riboside with pterostilbene (NRPT) increases NAD+ in patients with acute kidney injury (AKI): a randomized, double-blind, placebo-controlled, stepwise safety study of escalating doses of NRPT in patients with AKI
Rct BMC nephrology 2020 PubMed DOI
C Clinical Trial of Niagen to Examine Recovery in People With Persistent Cognitive and Physical Symptoms After COVID-19
Clinical Trial ClinicalTrials.gov 2021
C A randomized placebo-controlled trial of nicotinamide riboside and pterostilbene supplementation in experimental muscle injury in elderly individuals.
Rct JCI insight PubMed DOI
C Nicotinamide Riboside Supplementation Benefits in Patients With Werner Syndrome: A Double-Blind Randomized Crossover Placebo-Controlled Trial.
Rct Aging cell PubMed DOI
View all evidence for Nicotinamide Riboside →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.