Likely Safe High confidence

Optimum Nutrition Gold Standard Protein Shake RTD: Gluten-Free, 24 g Protein, Vanilla

Optimum Nutrition ★★★★☆ 4.5 · 2,051 reviews

The product is labeled gluten-free and uses a dairy-based protein blend without gluten-containing ingredients in the core listing. There is no explicit third-party gluten-free certification cited in the provided data.

🌾 Gluten-free labeled ⚠ No 3rd-party cert
$21.92
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Celiac verdict
Likely safe
Confidence
High
Type
Flour & baking
Size
11 fl oz (pack of 12)
Price tier
Mid
Read
5 min
✅ Why it works
  • High protein per serving (24 g) per bottle
  • Gluten-free labeling on product listing
  • Low sugar content (about 1 g per serving, per reviews)
  • On-the-go convenience and ready-to-drink format
  • 11 oz bottle size in a 12-pack
⚠ Keep in mind
  • Texture can be creamy or chunky depending on the serving
  • Dairy-based; not vegan
  • No explicit third-party gluten-free certification evidenced in the provided sources
  • Calories per serving not definitively confirmed in core data

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
milk-derived ingredients (dairy) present, Carrageenan, sucralose, acesulfame potassium (intentionally added), Possible cross-contact risk not specified in provided data
Cross-contact notes
No explicit 'may contain gluten' or shared facility statements observed in the provided data; cross-contact risk cannot be fully confirmed from the sources given

The product is labeled gluten-free and uses a dairy-based protein blend without gluten-containing ingredients in the core listing. There is no explicit third-party gluten-free certification cited in the provided data.

Milk-derived ingredients Carrageenan and artificial sweeteners Cross-contact risk details are not fully specified in the sources

What to expect

You can expect a grab-and-go protein option with 24 g protein per 11 oz bottle, 1 g sugar, and gluten-free labeling. It’s dairy-based and non-vegan, suitable for post-workout use or as a meal supplement. Some users note texture differences between servings.

👍 Best for
  • On-the-go protein needs
  • Post-workout recovery
  • Meal supplementation for those avoiding gluten and dairy (not vegan)
👎 Not ideal for
  • Vegans
  • Those seeking a product with explicit third-party gluten-free certification
  • Those requiring precise calorie information beyond the provided data

The full guide

What it is and how it tastes

This product is a gluten-free, ready-to-drink protein shake providing 24 g of protein per 11 fl oz bottle. It is dairy-based and comes in vanilla flavor, with a formulation that includes a small amount of sugar (noted as low in reviews). The packaging describes a 12-count pack. Consumers often report that it tastes good and feels similar to other meal-replacement or post-workout shakes, making it a convenient option for those seeking a high-protein, grab-and-go beverage.

Who it’s for

The shake is labeled gluten-free and uses a dairy-based protein blend (milk protein isolate/concentrate, whey concentrate, calcium caseinate). It is suitable for non-vegetarian diets and not vegan due to dairy ingredients. It may be appealing to those needing a quick post-workout option or a protein boost when gluten-free intake is desired.

Gluten safety and certifications

Gluten-free labeling is present on the product listing, but there is no explicit mention of a third-party gluten-free certification in the supplied sources. The ingredient list contains dairy and other additives; cross-contact details are not fully specified in the provided data.

Taste, texture, and use cases

Taste and perceived quality are generally positive in reviews, with users noting it tastes good and is convenient for on-the-go use after workouts or as a meal supplement. Some reviewers report texture variability, describing experiences as creamy in some servings and chunkier in others.

Ingredients, diet fit, and health notes

The shake contains a milk-based protein blend, heavy cream, carrageenan, and artificial sweeteners (sucralose and acesulfame potassium). It is labeled non-GMO and gluten-free, but is not vegan due to dairy ingredients. The product includes a vitamin and mineral blend and is marketed with immune-support hints via added nutrients.

Value, availability, and practical tips

The listed price is $21.92 for a 12-pack, equating to roughly $1.83 per bottle. Each bottle is 11 fl oz. Prices may vary by retailer or promotions. Calorie counts are not definitively confirmed in the core listing, and some figures appear in external snippets rather than the primary data provided.

What shoppers say

💚 People liked

⚠ People flagged

Texture variability across batches or servings
Dairy content excludes vegan and some dairy-restricted diets
Lack of documented third-party GF certification in the provided sources

Key takeaways

  • 24 g protein per 11 oz bottle
  • Gluten-free labeling, dairy-based (not vegan)
  • Low sugar (~1 g per serving) but with artificial sweeteners
  • No explicit third-party gluten-free certification cited
  • Pack of 12, price around $21.92 in the provided 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 explicit third-party gluten-free certification evidenced in provided sources
  • Cross-contact facility details are not specified
  • Calories per serving are inconsistently reported across sources; core data snippet not shown in main listing
Likely Safe Optimum Nutrition Gold Standard Protein Shake RTD: Gluten-Free, 24 g Protein, Vanilla $21.92
Buy on Amazon →