Gaspari Nutrition SizeOn, All In One Muscle Builder, Lemon Ice, 3.59 lbs (1.63 kg) supplement bottle
Gaspari Nutrition

SizeOn, All In One Muscle Builder, Lemon Ice, 3.59 lbs (1.63 kg)

What We Researched
24 active ingredients analyzed · 8 inactive ingredients decoded · 3 retailers compared · Last updated: Mar 2026
78
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 100%
Thiamin (as thiamin hydrochloride) 10 mg 667%
Riboflavin (as riboflavin-5-phosphate) 7.6 mg 447%
Niacin (as niacinamide) 50 mg 250%
Folate (as folic acid) 200 mcg 50%
Vitamin B12 (as methylcobalamin) 75 mcg 1250%
Pantothenic Acid (as d-calcium pantothenate) 9 mg 92%
Calcium 51 mg 5%
Phosphorus 65 mg 7%
Magnesium 45 mg 11%
SizeOn Blend 63 g
Carbohydrate Energy MatrixTrehalose, Dextrose, Cyclic Dextrin, Pterostilbene **
Protein Synthesis Acceleration MatrixWhey protein hydrolysate, L-leucine (4 g), L-isoleucine, L-valine **
Phosphodrive Endurance ComplexCreatine Monohydrate, Creatine MagnaPower® (Magnesium Creatine Chelate), Disodium Creatine Phosphate **
Osmodrive Advanced Hydration ComplexL-taurine, sodium glycerophosphate, calcium glycerophosphate, potassium glycerophosphate, L-alanyl-L-glutamine, magnesium glycyl glutamine **
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
  • Phosphorus Good
  • Magnesium Good
  • Carbohydrate Energy MatrixTrehalose, Dextrose, Cyclic Dextrin, Pterostilbene Good
  • Protein Synthesis Acceleration MatrixWhey protein hydrolysate, L-leucine (4 g), L-isoleucine, L-valine Good
  • Phosphodrive Endurance ComplexCreatine Monohydrate, Creatine MagnaPower® (Magnesium Creatine Chelate), Disodium Creatine Phosphate Good
  • Osmodrive Advanced Hydration ComplexL-taurine, sodium glycerophosphate, calcium glycerophosphate, potassium glycerophosphate, L-alanyl-L-glutamine, magnesium glycyl glutamine Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
  • Malic Acid
  • Salt
  • Silica
  • Natural and artificial lemon ice flavor
  • Turmeric powder (color)
  • Acesulfame Potassium
  • Sucralose
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 51 mg Under-dosed
  • Phosphorus 65 mg Under-dosed
  • Magnesium 45 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 100%
Thiamin (as thiamin hydrochloride) 10 mg 667%
Riboflavin (as riboflavin-5-phosphate) 7.6 mg 447%
Niacin (as niacinamide) 50 mg 250%
Folate (as folic acid) 200 mcg 50%
Vitamin B12 (as methylcobalamin) 75 mcg 1250%
Pantothenic Acid (as d-calcium pantothenate) 9 mg 92%
Calcium 51 mg 5%
Phosphorus 65 mg 7%
Magnesium 45 mg 11%
Sodium 235 mg 10%
SizeOn Blend 63 g
Carbohydrate Energy MatrixTrehalose, Dextrose, Cyclic Dextrin, Pterostilbene **
Protein Synthesis Acceleration MatrixWhey protein hydrolysate, L-leucine (4 g), L-isoleucine, L-valine **
Phosphodrive Endurance ComplexCreatine Monohydrate, Creatine MagnaPower® (Magnesium Creatine Chelate), Disodium Creatine Phosphate **
Osmodrive Advanced Hydration ComplexL-taurine, sodium glycerophosphate, calcium glycerophosphate, potassium glycerophosphate, L-alanyl-L-glutamine, magnesium glycyl glutamine **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Citric Acid Safe

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

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Salt Safe

It is used as a flavoring agent.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural and artificial lemon ice flavor Unknown
Turmeric powder (color) Unknown
Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Sucralose Generally_safe

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

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
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Frequently Asked Questions
Is Gaspari Nutrition SizeOn, All In One Muscle Builder a good supplement?

Gaspari Nutrition SizeOn, All In One Muscle Builder, Lemon Ice, 3.59 lbs (1.63 kg) received a product quality score of 78/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 24 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, All In One Muscle Builder?

Gaspari Nutrition SizeOn, All In One Muscle Builder contains 24 active ingredients: Calories (190), Calories from Fat (0), Total Fat (0 g), Cholesterol (15 mg), Total Carbohydrate (40 g), Dietary Fiber (0 g), and 18 more. Notable high-dose ingredients include Thiamin at 667% DV, Riboflavin at 447% DV, Niacin at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Gaspari Nutrition SizeOn, All In One Muscle Builder safe to take?

Gaspari Nutrition SizeOn, All In One Muscle Builder, Lemon Ice, 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.

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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.