Gaspari Nutrition SizeOn®, Intra Workout, Grape Cooler, 3.59 lbs (1.63 kg) supplement bottle
Gaspari Nutrition

SizeOn®, Intra Workout, Grape Cooler, 3.59 lbs (1.63 kg)

What We Researched
25 active ingredients analyzed · 8 inactive ingredients decoded · 3 retailers compared · Last updated: Mar 2026
77
Product Score Fair
59
Brand Score Poor

Product Analysis

Transparency Very Good

Supplement Facts

IngredientAmount% DV
Sugars (from Trehalose and Dextrose) 39 g **
Vitamin C (as ascorbic acid) 60 mg 67%
Thiamin (as thiamin hydrochloride) 10 mg 833%
Riboflavin (as riboflavin-5-phosphate) 7.6 mg 585%
Niacin (as niacinamide) 50 mg 313%
Folate (as folic acid) 200 mcg 50%
Vitamin B12 (as methylcobalamin) 75 mcg 3125%
Pantothenic Acid (as d-calcium pantothenate) 9 mg 180%
Calcium 210 mg 16%
Potassium 225 mg 5%
Magnesium 33 mg 8%
Chloride 450 mg 20%
SizeOn Blend 63 g
Carbohydrate Energy MatrixTrehalose***(20 g), Dextrose (19g), Cyclic Dextrin (1g), Pterostilbene (100mg) **
Protein Synthesis Acceleration MatrixWhey Protein Hydrolysate (7 g), L-Leucine (4 g), L-Isoleucine (1g), L-Valine (1g) **
Phosphodrive Endurance ComplexCreatine Monohydrate (2g), Creatine MagnaPower® (Magnesium Creatine Chelate) (1g), Disodium Creatine Phosphate (1g) **
Osmodrive Advanced Hydration ComplexL-Taurine (2.77g), Pink Himalayan Salt (750 mg), Calcium Citrate (750 mg), Potassium Citrate (750 mg), L-Alanyl-L-Glutamine (500 mg), Magnesium Citrate (236 mg) **
Bioavailability Very Good

Absorption Rating

  • Sugars (from Trehalose and Dextrose) Poor
  • Vitamin C (as ascorbic acid) Fair
  • Thiamin (as thiamin hydrochloride) Fair
  • Riboflavin (as riboflavin-5-phosphate) Good
  • Niacin (as niacinamide) Good
  • Folate (as folic acid) Fair
  • Vitamin B12 (as methylcobalamin) Good
  • Pantothenic Acid (as d-calcium pantothenate) Good
  • Calcium Good
  • Potassium Good
  • Magnesium Good
  • Chloride Good
  • Carbohydrate Energy MatrixTrehalose***(20 g), Dextrose (19g), Cyclic Dextrin (1g), Pterostilbene (100mg) Fair
  • Protein Synthesis Acceleration MatrixWhey Protein Hydrolysate (7 g), L-Leucine (4 g), L-Isoleucine (1g), L-Valine (1g) Good
  • Phosphodrive Endurance ComplexCreatine Monohydrate (2g), Creatine MagnaPower® (Magnesium Creatine Chelate) (1g), Disodium Creatine Phosphate (1g) Good
  • Osmodrive Advanced Hydration ComplexL-Taurine (2.77g), Pink Himalayan Salt (750 mg), Calcium Citrate (750 mg), Potassium Citrate (750 mg), L-Alanyl-L-Glutamine (500 mg), Magnesium Citrate (236 mg) Good
Other Ingredients Excellent

Fillers & Additives

  • Malic Acid
  • Citric Acid
  • Salt
  • Silica
  • Natural and Artificial Flavor
  • Sucralose
  • Acesulfame Potassium
  • Grape juice powder (color)
Efficacy Fair

Dosage Analysis

  • Vitamin C (as ascorbic acid) 60 mg Under-dosed
  • Thiamin (as thiamin hydrochloride) 10 mg Effective
  • Riboflavin (as riboflavin-5-phosphate) 7.6 mg Effective
  • Niacin (as niacinamide) 50 mg High
  • Folate (as folic acid) 200 mcg Under-dosed
  • Vitamin B12 (as methylcobalamin) 75 mcg Effective
  • Pantothenic Acid (as d-calcium pantothenate) 9 mg Effective
  • Calcium 210 mg Under-dosed
  • Potassium 225 mg Under-dosed
  • Magnesium 33 mg Under-dosed
  • Chloride 450 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 190
Calories from fat 0
Total Fat 0 g 0%
Cholesterol 15 mg 5%
Total Carbohydrate 40 g 13%
Dietary Fiber 0 g 0%
Sugars (from Trehalose and Dextrose) 39 g **
Protein 7 g 14%
Vitamin C (as ascorbic acid) 60 mg 67%
Thiamin (as thiamin hydrochloride) 10 mg 833%
Riboflavin (as riboflavin-5-phosphate) 7.6 mg 585%
Niacin (as niacinamide) 50 mg 313%
Folate (as folic acid) 200 mcg 50%
Vitamin B12 (as methylcobalamin) 75 mcg 3125%
Pantothenic Acid (as d-calcium pantothenate) 9 mg 180%
Calcium 210 mg 16%
Potassium 225 mg 5%
Magnesium 33 mg 8%
Sodium 300 mg 13%
Chloride 450 mg 20%
SizeOn Blend 63 g
Carbohydrate Energy MatrixTrehalose***(20 g), Dextrose (19g), Cyclic Dextrin (1g), Pterostilbene (100mg) **
Protein Synthesis Acceleration MatrixWhey Protein Hydrolysate (7 g), L-Leucine (4 g), L-Isoleucine (1g), L-Valine (1g) **
Phosphodrive Endurance ComplexCreatine Monohydrate (2g), Creatine MagnaPower® (Magnesium Creatine Chelate) (1g), Disodium Creatine Phosphate (1g) **
Osmodrive Advanced Hydration ComplexL-Taurine (2.77g), Pink Himalayan Salt (750 mg), Calcium Citrate (750 mg), Potassium Citrate (750 mg), L-Alanyl-L-Glutamine (500 mg), Magnesium Citrate (236 mg) **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Salt Safe

It is used as a flavoring agent.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural and Artificial Flavor Generally_safe

It is used to improve the taste of the product.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Grape juice powder (color) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$54$53$52$51$50 Mar 12 $51.99
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Gaspari Nutrition

Founded 1998 · Miami Lakes, Florida, USA · 39 products · gasparinutrition.com

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed

Violation History

6 incidents
Prop 65 Lead2025-10-17Source
Lawsuit Dietary supplements contained illicit anabolic steroids, causing a suspension from the UFC.2020Source
Lawsuit False advertising of testosterone products as 'safe,' 'natural,' and 'legal,' and compliant with the Food, Drug and Cosmetic Act (FDCA).2016Source
Fda Warning Significant violations of Current Good Manufacturing Practice (cGMP) regulations, including adulteration of products and failure to properly investigate complaints regarding products like PlasmaJet, Mitotropin, and SuperPump.2011-03-02Source
Lawsuit Violated consumer protection laws by making false statements about the body building supplement 'Novedex XT'.2011Source
Recall Novedex XT2010-10-08Source
Related Supplements
Frequently Asked Questions
Is Gaspari Nutrition SizeOn®, Intra Workout a good supplement?

Gaspari Nutrition SizeOn®, Intra Workout, Grape Cooler, 3.59 lbs (1.63 kg) received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 25 active ingredients with 24 servings per container. Of the 8 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Gaspari Nutrition, holds a brand trust score of 59/100.

What are the ingredients in Gaspari Nutrition SizeOn®, Intra Workout?

Gaspari Nutrition SizeOn®, Intra Workout contains 25 active ingredients: Calories (190), Calories from fat (0), Total Fat (0 g), Cholesterol (15 mg), Total Carbohydrate (40 g), Dietary Fiber (0 g), and 19 more. Notable high-dose ingredients include Thiamin at 833% DV, Riboflavin at 585% DV, Niacin at 313% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Gaspari Nutrition SizeOn®, Intra Workout safe to take?

Gaspari Nutrition SizeOn®, Intra Workout, Grape Cooler, 3.59 lbs (1.63 kg) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Gaspari Nutrition a trustworthy supplement brand?

Gaspari Nutrition receives a brand trust score of 59/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1998 and headquartered in Miami Lakes, Florida, USA, the company offers 39 products in their lineup. Note: Gaspari Nutrition has 6 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.