Likely Safe Medium confidence

Protein2o 15g Whey Protein Isolate Infused Water, Ready To Drink, Sugar Free, Gluten Free, Lactose Free, Harvest Grape, 16.9 oz Bottle (Pack of 12)

Protein2o ★★★★☆ 4.4 · 5,888 reviews

Label claims gluten-free use with no gluten-containing ingredients disclosed in the data. No documented facility-level gluten certification or cross-contact controls are provided.

🌾 Gluten-free labeled ⚠ No 3rd-party cert
$25.99
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Celiac verdict
Likely safe
Confidence
Medium
Type
Protein powder
Size
16.9 fl oz (pack of 12)
Price tier
Premium
Read
5 min
✅ Why it works
  • High protein per bottle (15g whey protein isolate).
  • Gluten-free and lactose-free labeling.
  • Sugar-free; no sugar per bottle with sucralose as sweetener.
  • On-the-go convenience: 16.9 oz bottle in a pack of 12.
  • Taste/texture endorsements from reviews (non-chalky, refreshing).
⚠ Keep in mind
  • Price may be high per bottle.
  • Contains dairy (whey protein isolate); not suitable for dairy-free individuals.
  • No explicit third-party gluten-free certification evidenced in the data.
  • Some consumer reports of formulation changes affecting taste/texture over time.

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
Whey protein isolate from dairy (milk) poses potential allergen risk for dairy allergy, Contains artificial color additives (Red 40, Blue 1) and sucralose
Cross-contact notes
No cross-contact or facility information provided in the data; product label asserts gluten-free but no facility-certification details are available.

Label claims gluten-free use with no gluten-containing ingredients disclosed in the data. No documented facility-level gluten certification or cross-contact controls are provided.

Contains dairy (whey protein isolate). Artificial color additives (Red 40, Blue 1) and sucralose.

What to expect

A hydrating, low-calorie beverage delivering 15g whey protein isolate per bottle. It’s sugar-free and labeled gluten-free and lactose-free, with natural flavors and sucralose. Packaged as a 12-bottle set, the Harvest Grape flavor contains dairy and color additives. Expect a convenient, post-workout or between-meal protein option with a grape flavor and a non-sugary profile.

👍 Best for
  • Post-workout recovery drink
  • Hydration with a protein boost during the day
  • On-the-go protein option for those seeking a low-sugar, gluten-free beverage
👎 Not ideal for
  • Dairy-free or dairy-allergic individuals
  • Consumers seeking certified gluten-free products with third-party certification
  • Budget-conscious buyers who find the price high per bottle

The full guide

What it is and who it's for

Protein2o’s 15g Whey Protein Isolate Infused Water is a ready-to-drink beverage that delivers protein hydration in a 16.9 oz bottle. The product is sold in a pack of 12 and carries a gluten-free and lactose-free label, with whey protein isolate derived from milk. It is positioned as a post-workout option or a between-meal protein boost for those seeking a sugar-free, gluten-free beverage that also provides hydration.

Gluten safety and allergen notes

The product is labeled gluten-free, but the provided data do not show a third-party gluten-free certification. The ingredients include whey protein isolate (milk), natural flavors, calcium citrate, color additives, and sucralose. Allergens to note include dairy from the whey isolate. Cross-contact or facility-level gluten controls are not documented in the data.

Taste, texture, and practical use

Reviews describe the drink as refreshing and not chalky, with grape flavor that many find appealing for post-workout consumption or daily hydration with a protein boost. It is sugar-free, which can be attractive for those limiting sugar and carbs, and it uses sucralose as a sweetener. Some consumers note formulation changes over time, affecting taste or texture, and price is a consideration for some buyers.

What shoppers say

💚 People liked

⚠ People flagged

Higher price point relative to some alternatives.
Contains dairy; not suitable for dairy-free individuals.
Lack of explicit third-party gluten-free certification in the data.
Taste/texture can vary over time according to consumer reviews.

Key takeaways

  • Each bottle provides 15g whey protein isolate in a gluten-free, lactose-free beverage.
  • Sugar-free with sucralose; contains dairy and artificial colors.
  • Pack of 12 16.9 oz bottles; premium price point.
  • No explicit third-party gluten-free certification documented in the data.
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 documented third-party gluten-free certification (e.g., GFCO, NSF) in the provided data.
  • No facility-level cross-contact or allergen-control information.
  • Official nutrition facts panel with calories and macros is not presented; some external listings mention 70 calories and 2g net carbs, but primary data is limited.
  • Discrepancy between some third-party claims and ingredient list (e.g., 'no artificial sweeteners' vs. presence of sucralose) needs verification.
Likely Safe Protein2o 15g Whey Protein Isolate Infused Water, Ready To Drink, Sugar Free, Gluten Free, Lactose Free, Harvest Grape, 16.9 oz Bottle (Pack of 12) $25.99
Buy on Amazon →