Protein by GNC

Sustained Protein

Vanilla Milkshake

GNC AMP Sustained Protein Blend is a multi-source protein powder featuring a unique 7-hour sustained release formula. Combining native micellar casein, whey protein isolate, whey hydrolysate, and egg white protein, it delivers 25g of protein per serving with both rapid and sustained release profiles for extended muscle support.

130
Calories
25g
Protein
1.5g
Fat
3g
Carbs
Buy on Amazon - $49.99

(Last updated 15 days ago on February 2, 2026)

Calories130kcal
Total Fat1.5g2%
Saturated Fat0g
Trans Fat0g
Polyunsaturated Fat0g
Monounsaturated Fat0g
Cholesterol25mg8%
Sodium320mg14%
Total Carbohydrates3g1%
Dietary Fiber0g
Total Sugars1g
Added Sugars0g
Protein25g50%
Iron 1.34mg7%
Calcium 75mg6%
Sodium320.0mg
Calcium75.0mg

Protein Blend (Native Micellar Casein, Native Whey Protein Isolate, Whey Hydrolysate, Egg White Protein), Natural and Artificial Flavors, Sunflower Lecithin, Creamer, Maltodextrin, Sodium Caseinate, Gum Blend, Tocopherols, Tricalcium Phosphate, Carrageenan, Sucralose, Acesulfame Potassium

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Reviews coming soon.

Vanilla Milkshake
Buy on Amazon - $49.99

(Last updated 15 days ago on February 2, 2026)

Size:2.04lb (924g)
Form:Powder
Serving Size:1 scoop (33g) (33g)
Servings:28

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