XTEND The Original Smash Apple supplement bottle
XTEND

The Original Smash Apple

What We Researched
9 active ingredients analyzed · 8 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
65
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 0 g 0%
Vitamin B6 (as Pyridoxine Hydrochloride) 640 mcg 32%
Potassium 190 mg 5%
L-Leucine 3500 mg †
L-Glutamine 2500 mg †
L-Isoleucine 1750 mg †
L-Valine 1750 mg †
Electrolyte Blend 1140 mg †
Citrulline Malate 1000 mg †
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin B6 (as Pyridoxine Hydrochloride) Fair
  • Potassium Good
  • L-Leucine Good
  • L-Glutamine Good
  • L-Isoleucine Good
  • L-Valine Good
  • Citrulline Malate Good
Other Ingredients Fair

Fillers & Additives

  • Citric Acid
  • Natural & Artificial Flavors
  • Silicon Dioxide
  • Sucralose
  • Acesulfame Potassium
  • Malic Acid
  • FD&C Yellow #5 Medium
  • FD&C Blue Lake #1 High
Efficacy Poor

Dosage Analysis

  • Vitamin B6 (as Pyridoxine Hydrochloride) 640 mcg Under-dosed
  • Potassium 190 mg Under-dosed
  • L-Leucine 3500 mg Effective
  • L-Glutamine 2500 mg Under-dosed
  • L-Isoleucine 1750 mg High
  • L-Valine 1750 mg Effective
  • Citrulline Malate 1000 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Total Carbohydrates 0 g 0%
Vitamin B6 (as Pyridoxine Hydrochloride) 640 mcg 32%
Potassium 190 mg 5%
L-Leucine 3500 mg †
L-Glutamine 2500 mg †
L-Isoleucine 1750 mg †
L-Valine 1750 mg †
Electrolyte Blend 1140 mg †
Citrulline Malate 1000 mg †

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.

Natural & Artificial Flavors Generally_safe

It is used to improve the taste of the product.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

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.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

FD&C Yellow #5 Caution

It is added to supplements to provide color.

FD&C Blue Lake #1 Unknown

Price Comparison

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

Brand Trust Report
XTEND

Founded 2004 · Austin, Texas, USA · 24 products · cellucor.com/collections/xtend

Transparency

2 claims
Third Party Testing Claim — Claimed

Violation History

3 incidents
Lawsuit Falsely advertising XTEND workout powders as having '0 calories.'2023Source
Prop 65 Lead and Cadmium2019-01-15Source
Lawsuit Deceptively marketing Scivation Xtend BCAA dietary supplements as supporting muscle growth, recovery, and repair.2019Source
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Frequently Asked Questions
Is XTEND The Original Smash Apple a good supplement?

XTEND The Original Smash Apple received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 9 active ingredients with 90 servings per container. Of the 8 inactive ingredients, 3 are rated safe and 1 are flagged for review.

What are the ingredients in XTEND The Original Smash Apple?

XTEND The Original Smash Apple contains 9 active ingredients: Total Carbohydrates (0 g), Vitamin B6 (as Pyridoxine Hydrochloride) (640 mcg), Potassium (190 mg), L-Leucine (3500 mg), L-Glutamine (2500 mg), L-Isoleucine (1750 mg), and 3 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is XTEND The Original Smash Apple safe to take?

XTEND The Original Smash Apple has been analyzed for ingredient safety across all its components. Of 8 inactive ingredients, 3 are rated safe. 1 ingredient is flagged for review: FD&C Yellow #5. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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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.