Gaspari Nutrition SizeOn Maximum Performance is the ultimate intra-workout muscle builder, engineered to fuel endurance, amplify muscle pumps, and elevate peak performance while you train. This scientifically formulated powerhouse blends high-performance carbohydrates, hydrolyzed whey protein, and essential amino acids to support muscle growth, strength, and recovery in real time.

Power through every set with an advanced carbohydrate matrix that delivers sustained energy from your first rep to your last. Experience skin-splitting muscle pumps as creatine monohydrate and essential electrolytes optimize hydration and cell volumization during intense training.

Drive explosive strength with fast-absorbing hydrolyzed whey protein, supplying rapid amino acid delivery to support muscle building even mid-workout. Recover faster between sets and after training with comprehensive recovery support—so you can train harder, longer, and more often.

Supplement Facts

Serving Size: 1 Scoop (68g)
Servings Per Container: 24

Amount Per Serving    % RI*
Calories    190
Calories from fat    0
Total Fat    0g (0%)
Cholesterol    15mg (5%)
Total Carbohydrate    40g (13%)
    Dietary Fiber    0g (0%)
    Sugars (from Trehalose and Dextrose)    39g
Protein    7g (14%)
Vitamin C (as ascorbic acid)    60mg (67%)
Thiamin (as thiamin hydrochloride)    10mg (833%)
Riboflavin (as riboflavin-5-phosphate)    7.6mg (585%)
Niacin (as niacinamide)    50mg (313%)
Folate (as folic acid)    200mcg (50%)
Vitamin B12 (as methylcobalamin)    75mcg (3125%)
Pantothenic Acid (as d-calcium pantothenate)    9mg (180%)
Calcium    210mg (16%)
Potassium    225mg (5%)
Magnesium    33mg (8%)
Sodium    300mg (13%)
Chloride    450mg (20%)
SIZEON BLEND – 63g

CARBOHYDRATE ENERGY MATRIX
Trehalose*** (20g), Dextrose (19g), Cyclic Dextrin (1g), Pterostilbene (100mg)

PROTEIN SYNTHESIS ACCELERATION MATRIX
Whey Protein Hydrolysate (7g), L-Leucine (4g), L-Isoleucine (1g), L-Valine (1g)

PHOSPHODRIVE ENDURANCE COMPLEX
Creatine Monohydrate (2g), Creatine MagnaPower (Magnesium Creatine Chelate) (1g), Disodium Creatine Phosphate (1g)

OSMODRIVE ADVANCED HYDRATION COMPLEX
L-Taurine (2.77g), Pink Himalayan Salt (750mg), Calcium Citrate (750mg), Potassium Citrate (500mg), L-Alanyl-L-Glutamine (500mg), Magnesium Citrate (236mg)

* Reference Intake (RI)
** No Established RI
*** Trehalose is a source of glucose.

OTHER INGREDIENTS: Malic Acid, Citric Acid, Salt, Silica; Natural & Artificial Flavor; Sucralose, Acesulfame Potassium, Turmeric Powder (Color).

ALLERGENS: Contains ingredients from milk and soy.