Likely Safe Medium confidence

NutraBio 100% Whey Protein Isolate Protein Powder, 25g Protein with Complete Amino Acid Profile, Non-GMO, Soy & Gluten Free, Low Carb, Low Calorie Whey Protein Powder, Chocolate Peanut Butter, 5 Lbs

NutraBio ★★★★☆ 4.3 · 303 reviews

Label claims gluten-free; no independent gluten-free certification is shown; cross-contact details are not documented in the sources.

🌾 Gluten-free labeled Non-GMO ⚠ No 3rd-party cert
$119.99
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Celiac verdict
Likely safe
Confidence
Medium
Type
Protein powder
Size
5 pound (pack of 1)
Price tier
Premium
Read
5 min
✅ Why it works
  • Gluten-free labeling on product data (title states 'Soy & Gluten Free')
  • Non-GMO claim in product title
  • 25 g protein per scoop with complete amino acid profile
  • Low carb, low calorie formulation
  • 5 lb packaging offers bulk value per container
  • Full label disclosure / transparency emphasized in related listings
⚠ Keep in mind
  • Taste feedback is mixed; some find it too sweet
  • Premium price relative to some competitors
  • Stock/availability issues noted in listing (currently unavailable)
  • No independent gluten-free certification evidenced in provided sources

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
None found
Cross-contact notes
No explicit cross-contact information provided in sources.

Label claims gluten-free; no independent gluten-free certification is shown; cross-contact details are not documented in the sources.

No explicit cross-contact information provided No third-party GF certification evidenced

What to expect

Expect a high-protein whey isolate powder with 25 g per scoop and low carb/calorie content. Flavor availability includes Chocolate Peanut Butter, with mixability reported as favorable by some users. Taste experiences vary, with some reviewers noting increased sweetness or an unusual aftertaste. It is commonly used as a post-workout drink or as a lean-muscle support option, typically mixed with water or milk as part of a protein-supplement routine.

👍 Best for
  • Post-workout recovery
  • Lean muscle building
  • Athletes seeking high-protein, low-carb option
👎 Not ideal for
  • Budget-conscious shoppers
  • Buyers seeking independently certified gluten-free products
  • Those averse to sweet flavors

The full guide

Product overview

NutraBio 100% Whey Protein Isolate is marketed as a gluten-free and soy-free protein powder delivering 25 g of protein per scoop in a 5 lb container. The product is described as low carb and low calorie, with a Chocolate Peanut Butter flavor option. The packaging emphasizes full label disclosure and transparency in some listings, and the product is presented as non-GMO in the title. Availability on major retailer pages varies, with some listings indicating stock or delivery issues.

Taste, texture, and use

Customer feedback on flavor and mixability is mixed. Many reviews describe favorable taste and good mixability with water, including praise for the Chocolate Peanut Butter flavor, while others find the sweetness level high and note occasional odd aftertaste. Use cases cited include post-workout recovery and lean-muscle goals, with a focus on a high-protein, low-carb option.

Gluten safety and certifications

The product label claims gluten-free and soy-free formulation, and the dairy-based whey protein isolate is not vegan. However, no independent gluten-free certifications (e.g., GFCO, NSF) are evidenced in the provided sources. Cross-contact details or facility information are not explicitly disclosed in the sources, so gluten safety is based on labeling rather than third-party verification.

Value, availability, and who it’s for

The 5 lb tub provides bulk value, with a premium price point listed at $119.99 on the cited listing, roughly $1.50 per ounce. Availability can be inconsistent across retailers, and some listings indicate stock or delivery issues. This product may be best suited for buyers seeking a high-protein, low-carb option with explicit gluten-free labeling and transparency, but it may be less ideal for budget-conscious shoppers or those seeking independent gluten-free certification.

What shoppers say

💚 People liked

⚠ People flagged

Some reviewers find the sweetness level higher than preferred and notice an odd taste element.
First-hand packaging complaint about tub not being full/fullness in one review.

Key takeaways

  • Contains 25 g protein per scoop in a 5 lb tub.
  • Labeled gluten-free and soy-free, with non-GMO claims in the title.
  • No independent gluten-free certification shown in available sources.
  • Taste experiences vary; some reviewers love the flavor, others find it overly sweet.
  • Higher price point and variable availability may affect value.
How we assess this: Gluto summarizes manufacturer labeling, listing data, and community signals — it is not a medical guarantee. Always read the current label and confirm with the manufacturer before purchase, especially for celiac disease.

Evidence gaps for this product:
  • No full ingredient list provided in sources
  • No independent gluten-free certification details (GFCO/NSF/etc.) in provided data
  • Limited cross-contact/facility information available
Likely Safe NutraBio 100% Whey Protein Isolate Protein Powder, 25g Protein with Complete Amino Acid Profile, Non-GMO, Soy & Gluten Free, Low Carb, Low Calorie Whey Protein Powder, Chocolate Peanut Butter, 5 Lbs $119.99
Buy on Amazon →