Nutricost HMB (Beta-Hydroxy Beta-Methylbutyrate) 1000mg (240 Capsules) - 500mg Per Capsule, 120 Servings - Gluten Free and Non-GMO

Nutricost HMB (Beta-Hydroxy Beta-Methylbutyrate) 1000mg (240 Capsules) - 500mg Per Capsule, 120 Servings - Gluten Free and Non-GMO

ASIN: B07KX2GJHV
Analysis Date: Apr 30, 2026

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Review Analysis Results

B
Authenticity Grade
10.00%
Fake Reviews
4.89
Original Rating
4.60
Adjusted Rating

Analysis Summary

The vast majority of these reviews appear genuine, with clear signals of authentic user experiences. Nearly all reviews are from verified purchasers, which significantly increases their credibility. The reviews show a natural mix of detail levels, from brief positive comments to more elaborate personal accounts, which is typical for a legitimate product with satisfied customers.

Several reviews provide strong evidence of authenticity. For example, one reviewer describes using the supplement alongside multivitamins and protein, adjusting intake based on workout volume, which reflects real personal usage patterns. Another offers a structured breakdown of workout effectiveness, quality, and value, demonstrating thoughtful evaluation. A third mentions specific benefits like improved recovery and less post-session stiffness, which are concrete and plausible outcomes for a fitness supplement.

There are minimal concerns in this set. One review uses somewhat promotional language like 'completely transformed my fitness routine' and 'extraordinary,' which could be seen as slightly exaggerated, but it still includes personal context (using for several months) and is a verified purchase. This alone does not indicate manipulation, as enthusiastic genuine reviews exist. No repetitive phrasing, generic marketing claims, or suspicious patterns are present across reviews.

Overall, the reviews are overwhelmingly genuine, with natural variation in length, language, and focus. The product appears to be a legitimate HMB supplement that users find effective for recovery and value. The low fake percentage reflects the absence of clear manipulation patterns, with only minor stylistic concerns that do not undermine authenticity.

Key patterns identified in the review analysis include: Natural variation in review length and detail, Personal context and specific usage routines, Verified purchase badges on most reviews.

Review Statistics

8,598
Total Reviews on Amazon
-0.29
Rating Difference
Editor's Analysis

Unlock Muscle Recovery: What to Know Before Buying Nutricost HMB 1000mg

For athletes and fitness enthusiasts seeking to reduce muscle breakdown and accelerate recovery, HMB (Beta-Hydroxy Beta-Methylbutyrate) is a well-researched supplement. Nutricost offers a 1000mg serving (two 500mg capsules) with 120 servings per bottle, making it a convenient and long-lasting option. This guide will help you understand how HMB works and what to look for in a quality supplement.

Key Considerations Before Buying

  • Dosage and Serving Size: Each capsule contains 500mg of HMB, with a recommended serving of two capsules for a total of 1000mg. This aligns with clinical studies showing 3g per day is effective, so you may need to adjust servings based on your goals and body weight.
  • Purity and Additives: Nutricost's formula is gluten-free and non-GMO, but always check for unnecessary fillers or binders. A clean label ensures you're getting the active ingredient without unwanted additives that could affect absorption or cause sensitivities.
  • Capsule Count and Value: With 240 capsules (120 servings), this bottle provides a two-month supply at the standard dose. Compare cost per serving against other brands to ensure you're getting competitive pricing without sacrificing quality.

What Our Analysts Recommend

When choosing an HMB supplement, prioritize products from reputable manufacturers that undergo third-party testing for potency and purity. Look for clear labeling of the active form (HMB calcium or free acid) and avoid proprietary blends that hide exact dosages. Nutricost's transparent labeling and high customer satisfaction (4.89 stars) indicate a trustworthy option.

Blended Vitamin & Mineral Supplements Market Context

Market Overview

The HMB supplement market has grown steadily as more athletes and older adults seek to preserve muscle mass and enhance recovery. Nutricost competes with major brands like Optimum Nutrition and NOW Sports, often offering similar quality at a lower price point. This product's strong rating and high review count suggest it's a popular choice in the category.

Common Issues

A frequent concern with HMB supplements is inconsistent dosing or use of low-quality raw materials, which can reduce effectiveness. Some users also report gastrointestinal discomfort, though this is rare with pure HMB. Additionally, fake reviews can inflate ratings, making it critical to verify authenticity.

Quality Indicators

High-quality HMB supplements are typically manufactured in cGMP-certified facilities and may carry third-party seals like NSF or USP. Look for products that specify the exact form of HMB (e.g., calcium HMB) and avoid those with artificial colors or preservatives. Nutricost's non-GMO and gluten-free claims align with these standards.

Review Authenticity Insights

Grade B Interpretation

With a Review Authenticity Grade of B and an estimated 10% fake review rate, this Nutricost product has mostly genuine feedback. The 10% suspicious rate is relatively low, meaning the 4.89-star rating is largely trustworthy, though a small portion may be inflated. This gives consumers confidence in the overall positive sentiment.

Trust Recommendation

Given the high verified purchase rate and natural language in reviews, you can generally trust the product's claims. However, focus on reviews that mention specific results, such as improved recovery time or reduced soreness, as these are harder to fake. The adjusted rating of 4.60 stars provides a more realistic baseline.

Tips for Reading Reviews

When reading reviews for HMB supplements, look for those that describe personal usage context, like training frequency or diet, as these indicate authenticity. Be cautious of overly generic praise or reviews that lack detail about the product's effects. Also, check for consistent feedback on capsule size and ease of swallowing.

Expert Perspective

Nutricost's HMB supplement offers a solid, no-frills option for those seeking muscle support, with a clean formula and strong user satisfaction. The 500mg per capsule allows flexible dosing, and the 240-count bottle provides excellent value. However, the 10% fake review rate means the 4.89-star rating may be slightly optimistic, but the 4.60 adjusted rating still reflects a highly regarded product. For most users, this is a reliable choice for supporting recovery and preserving lean mass.

Purchase Considerations

Consider your specific needs: if you're an athlete looking to enhance recovery, this product's purity and dosage are well-suited. However, if you prefer a higher dose per serving (e.g., 1g per capsule for fewer pills), you may need to look elsewhere. Also, factor in your budget, as Nutricost often offers competitive pricing per serving.

Comparing Alternatives

Shoppers should compare Nutricost's HMB with other brands like BulkSupplements or Kaged Muscle to find the best fit for their budget and dosing preferences.

Price Analysis

Nutricost HMB appears positioned as a value-oriented option in the supplement market with excellent customer ratings. Since the current Amazon price is unknown, compare it against the typical $18-$45 range for similar 240-capsule products. Use Amazon's price tracking tools and wait for Subscribe & Save or coupon offers for the best deal.

MSRP Assessment

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

Market Position

Positioning: Budget to Mid-range
Alternatives Range: $18-$45 for 240 capsules
Value: Nutricost typically offers competitive pricing with strong reviews, making this a solid value choice in the HMB supplement category.

Buying Tips

Best Time to Buy: Best prices often around New Year's resolution season (Jan-Feb) and Amazon Prime Day events.
Deal Indicators: Look for Subscribe & Save discounts, coupon checkboxes on the product page, or bundled offers with other fitness supplements.
Watch For: Watch for third-party sellers charging significantly above typical market price; verify seller is 'Nutricost' or 'Amazon.com' for authenticity.
Price analysis generated by AI based on product category and market research. Actual prices may vary. Last analyzed: Jan 29, 2026

Understanding This Analysis

What does Grade B mean?

This product has good review authenticity with minor concerns. While most reviews appear genuine, we detected some patterns that warrant mild caution.

Adjusted Rating Explained

The adjusted rating (4.60 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 (4.89 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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