Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 Lb
Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 Lb
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Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 Lb

4.6 stars out of 139 reviews
(4.6)|
139 ratings
Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 LbOptimum Nutrition Gold Standard 100 Casein Drink Mix Creamy Vanilla 1 81 lb 25 ServingsOptimum Nutrition Gold Standard 100 Casein 24 g Protein Powder Chocolate Supreme 1 87 lb 25 Servings
Flavor:Creamy Vanilla
Size:2 lbs

Key item features

24g of Anti-Catabolic Micellar Casein, Nearly 5 Grams of Naturally Occurring BCAAs per Scoop, and Nearly 5 Grams of Naturally Occurring Glutamine and Glutamic Acid per Scoop
Current price is Now $44.95
You save $5.04
was $49.99
$22.48/lb
Price when purchased online
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Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $44.95
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $44.95

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4.671906088340629 stars out of 5, based on 10070 seller reviews(4.7)
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Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 Lb $44.95 Was $49.99 $22.48/lb

Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 Lb
current price Now $44.95, Was $49.99
$22.48/lb

Optimum Nutrition Gold Standard 100% Casein Protein Powder, Vanilla, 24g Protein, 2 Lb

4.6 out of 5 Stars. 139 reviews

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current price $18.99

Evlution Nutrition Creatine 5000 - Supports Faster Recovery, Lean Muscle Growth & Performance - Pre & Post Workout Powder - 5000mg Pure Creatine Monohydrate Per Serving - 60 Servings - Unflavored

4.6 out of 5 Stars. 829 reviews
Current price is
$63.94
was $68.98
Items may be delivered on different dates

Customer ratings & reviews

4.6 out of 5 stars
stars139 ratings95 reviews
How item rating is calculated
  1. 5 stars77% (107)
  2. 4 stars14% (20)
  3. 3 stars2% (3)
  4. 2 stars2% (3)
  5. 1 star4% (6)

Reviews summary

Pros
  • : Has various flavor options.
  • : Used as part of a pre-sleep routine.
Neutral
  • : Can be affordable, but also steep for certain users.
  • : Can be smooth, but may require extra effort or tools.
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Showing 1-3 of 95 reviews

Nov 15, 2025
Ario
5 out of 5 stars review

Seller Verified Purchase

Casein

Years ago when I was living in Turkey, I always liked this brand. Even though Optimum was way more expensive than other supplements, I still tried to buy it because it was my favorite. But unfortunately, not all of their products were available in Turkey. Now that I live in the U.S., I'm always an Optimum customer. After using it for so many years, I know they make the best and most effective sports supplements. ā€” From a long-time loyal customer.

Review from optimumnutrition.com
Helpful?4S5ENHUZE3PI164049574
Aug 28, 2025
Charles
Item details
Flavor: Creamy Vanilla
Size: 2 lbs
Sold and shipped byiHerb
5 out of 5 stars review

Verified Purchase

Slow Burn, Big Gains šŸ”„

This casein protein is my go-to for overnight recovery. Smooth texture, no chalky drama, and it keeps my muscles fed while I sleep. Whether I'm deep in prep or just keeping it tight, it's the kind of clean, slow-digesting fuel that actually works. Plus, there's no bloating and no weird additives šŸ’ŖšŸ½ just solid results and a shake I actually look forward to.

Helpful?4S5ENHUZE3PI164049574
Apr 3, 2025
Patrick
Item details
Flavor: Creamy Vanilla
Size: 2 lbs
Sold byPatternDelivered byWalmart
5 out of 5 stars review

Verified Purchase

I absolutely love Optimum Nutrition Casein! It mixes smoothly, tastes delicious (especially the vanilla flavor), and keeps me full all night. As someone who struggles with late-night cravings, this slow-digesting protein helps me maintain muscle and avoid unnecessary snacking. It's easy on my stomach, doesn't cause bloating, and delivers 24g of high-quality protein per serving. The value for money is excellent, and I've noticed better recovery since adding it to my routine. Highly recommend for anyone looking for a reliable nighttime protein.

Incentivized Review
Helpful?4S5ENHUZE3PI164049574