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Gold Standard Casein Protein Powder, Vanilla, 24g Protein, 2 Lb

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$49.99
Sep 13 · Macy's
Best price
$49.99
−0% vs high
14-day high
$49.99
All stores
$50$50$50
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $49.99 at Macy's. Highest: $49.99. Current best is 0% below the 14-day high.

About this product

Optimum Nutrition Gold Standard 100% Casein Drink Mix is a slow-digesting protein powder formulated with premium micellar casein to support muscle recovery overnight. Each serving provides 24 grams of high-quality protein and contains 4.9 grams of naturally occurring BCAAs. The creamy vanilla flavor offers a smooth taste without added fat, making it ideal for consumption before bed. This supplement is designed to help maintain muscle mass and support weight management goals through sustained amino acid release during sleep.

  • 24g casein protein per serving
  • slow-digesting micellar casein
  • 4.9g BCAAs per serving
  • zero fat formula
  • creamy vanilla flavor
  • made in USA

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Gold Standard Casein Protein Powder, Vanilla — Price History