Nutricost NAD+ Supplement 1,000mg per Serving,120 Capsules (Nicotinamide Adenine Dinucleotide) - 60 Servings, Gluten-Free, Vegan

Nutricost NAD+ Supplement 1,000mg per Serving,120 Capsules (Nicotinamide Adenine Dinucleotide) - 60 Servings, Gluten-Free, Vegan

ASIN: B0DVFD5Q65
Analysis Date: Nov 22, 2025 (re-analyzed Nov 22, 2025)

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Review Analysis Results

C
Authenticity Grade
28.00%
Fake Reviews
4.45
Original Rating
3.80
Adjusted Rating

Analysis Summary

The reviews show a mixed pattern with some legitimate characteristics but also several concerning elements. The product has a high average rating (4.4/5) with 7 out of 10 reviews being 5-star, which is somewhat elevated but not extreme. There's a reasonable distribution with 3-star and 4-star reviews providing balance. The verified purchase rate is 50% (5/10), which is moderate but not alarmingly low. Several reviews show genuine characteristics including specific product comparisons, personal health contexts, and balanced feedback. However, there are some suspicious patterns including generic positive language, formulaic brand praise, and reviews that read like marketing copy rather than authentic user experiences. The absence of 1-2 star reviews is notable but not definitive. Overall, this appears to be a legitimate product with some potentially incentivized or formulaic reviews mixed in.

Review Statistics

649
Total Reviews on Amazon
-0.65
Rating Difference
Editor's Analysis

Evaluating NAD+ Supplements: What 1,000mg Per Serving Really Means for You

When considering Nutricost's 1,000mg NAD+ supplement, understand that this dosage represents a significant commitment to cellular health support. The 120-capsule vegan formula offers a 60-day supply at a therapeutic dose level, which requires evaluating both purity claims and absorption factors. Unlike multivitamins, NAD+ precursors like nicotinamide adenine dinucleotide target specific metabolic pathways.

Key Considerations Before Buying

  • The 1,000mg serving size exceeds typical NAD+ precursor supplements, requiring assessment of your individual tolerance and whether you need such a high-potency formula.
  • As a vegan, gluten-free product, verify third-party testing for cross-contamination if you have severe allergies, despite the manufacturer's claims.
  • Consider whether you prefer capsules over other delivery methods, as NAD+ bioavailability can vary significantly based on formulation and individual digestive health.

What Our Analysts Recommend

Quality NAD+ supplements should provide transparency about the specific form of NAD+ used and any supporting ingredients for absorption. For this Nutricost product, examine whether independent lab verification exists for the claimed 1,000mg potency, as supplement labeling accuracy varies widely in this category. The absence of common allergens is positive but doesn't guarantee manufacturing purity without third-party certification.

Herbal Supplements Market Context

Market Overview

The NAD+ supplement market has exploded with anti-aging claims, creating a crowded space where scientific backing varies dramatically between products. Brands like Nutricost compete in a mid-tier price segment, offering higher potencies than entry-level options but without the extensive clinical research of premium brands. Consumer interest focuses primarily on energy metabolism and cellular repair benefits.

Common Issues

Many NAD+ supplements contain insufficient active ingredients to produce noticeable effects, while others use forms with poor bioavailability. The category suffers from inconsistent manufacturing standards, with some products containing significantly less NAD+ than labeled. Additionally, unrealistic anti-aging promises often accompany these supplements despite limited human studies.

Quality Indicators

Superior NAD+ supplements typically feature third-party purity and potency verification from organizations like NSF or USP. Look for products specifying the exact NAD+ form (like NADH or NAD+ precursors) rather than vague 'NAD complex' terminology. Transparent brands provide batch-specific testing results and disclose all non-active ingredients in their capsules.

Review Authenticity Insights

Grade C Interpretation

The Grade C authenticity rating and 28% estimated fake reviews indicate significant manipulation of this product's perception. This means nearly 3 in 10 reviews may be inauthentic, artificially inflating the 4.45 average rating to appear more favorable than genuine customer experiences warrant. The adjusted 3.80 rating better reflects authentic buyer satisfaction.

Trust Recommendation

Approach this product's reviews with heightened skepticism, particularly the 5-star reviews comprising 70% of feedback. Focus instead on detailed 3- and 4-star reviews that discuss specific experiences over time, as these are less likely to be manipulated. Verify any dramatic transformation claims against scientific literature on NAD+ supplementation.

Tips for Reading Reviews

For this supplement, prioritize reviews mentioning consistent use over 60+ days (matching the supply) and specific effects rather than vague wellness claims. Be wary of reviews using nearly identical phrasing or focusing excessively on packaging/shipping rather than product effects. Cross-reference experiences with other NAD+ supplements at similar price points.

Expert Perspective

Nutricost's offering presents a high-potency NAD+ option at a competitive price point, but the concerning authenticity metrics require careful evaluation. The 1,000mg dosage aligns with emerging research on therapeutic NAD+ levels, though individual response varies significantly. The vegan and gluten-free formulation addresses common dietary restrictions, but without third-party verification, the purity claims remain manufacturer-dependent. The discrepancy between the surface rating (4.45) and adjusted rating (3.80) suggests the product may underperform relative to initial impressions.

Purchase Considerations

Weigh the cost per serving against the authenticity concerns, recognizing that review manipulation often indicates a product needing artificial boost. Consider whether you require 1,000mg daily or would benefit from starting with a lower dose to assess tolerance. The 120-capsule quantity represents a substantial commitment, so factor in return policies if the supplement doesn't meet expectations.

Comparing Alternatives

Shoppers should compare Nutricost's formulation and pricing against certified NAD+ supplements from brands with stronger authenticity ratings and transparent testing protocols.

Price Analysis

This NAD+ supplement appears competitively positioned in the mid-range market with strong customer satisfaction. Since the current Amazon price is unknown, monitor pricing trends and wait for it to fall within the $25-$40 range for good value. Consider using price tracking tools to identify optimal purchase timing.

MSRP Assessment

Estimated MSRP: Unknown
Source: Unable to determine
Amazon Price: Unable to compare

Market Position

Positioning: Mid-range
Alternatives Range: $25-$60
Value: Offers competitive pricing for a 60-serving NAD+ supplement with strong customer ratings, making it a solid value in the mid-tier supplement market.

Buying Tips

Best Time to Buy: Look for discounts around New Year's resolution periods (January) and Amazon Prime Day events.
Deal Indicators: Price drops below $30, subscribe & save discounts, or bundled offers with other wellness supplements.
Watch For: Watch for sudden price spikes above $50 or sellers with limited reviews offering significantly lower prices.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Dec 1, 2025

Understanding This Analysis

What does Grade C mean?

This product has moderate review authenticity concerns. A notable portion of reviews show suspicious patterns. Consider reading reviews carefully before purchasing.

Adjusted Rating Explained

The adjusted rating (3.80 stars) represents what we estimate this product's rating would be if fake reviews were removed. This product's adjusted rating is lower than Amazon's displayed rating (4.45 stars), suggesting positive fake reviews may be inflating the score.

How We Detect Fake Reviews

Our AI analyzes multiple factors: language patterns (generic vs. specific), reviewer behavior (history, timing), temporal anomalies (review clusters), verification status, sentiment authenticity, and statistical outliers. No single factor determines a review is fake - we look at the combination of signals.

Important Limitations

No automated system is perfect. Sophisticated fake reviews can evade detection, and some genuine reviews may be incorrectly flagged. Use this analysis as one data point in your purchasing decision, not the only factor. Reading actual review content yourself is always valuable.

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