EFX Sports AminoZorb® Elite 21, Sour Peach, 13.76 oz (390 g) supplement bottle
EFX Sports

AminoZorb® Elite 21, Sour Peach, 13.76 oz (390 g)

What We Researched
22 active ingredients analyzed · 6 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
74
Product Score Fair
79
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Patented Enzymatic BufferedEssential Amino Acids containing 6225 mg
AminoZorb® BCAA 2:1:1(leucine, isoleucine, valine) 5000 mg
LysiLyn™ (L-Lysine) 950 mg
PhenylalanLyn™ (L-Phenylalanine) 80 mg
L-Threonine 80 mg
HistiLyn™ (L-Histidine) 77 mg
TryptoLyn™ (L-Tryptophan) 25 mg
MethioLyn™ (L-Methionine) 13 mg
Patented Enzymatic BufferedNon-Essential Amino Acids containing 2000 mg
L-Glutamic Acid 500 mg
GlyciLyn™ (L-Glycine) 500 mg
TauriZorb ™ (Taurine) 500 mg
AsparaLyn™ (L-Aspartic Acid) 250 mg
ArginLyn™ (L-Arginine) 50 mg
CitriLyn™ (L-Citrulline) 50 mg
TyroLyn™ (L-Tyrosine) 50 mg
L-Ornithine 25 mg
AlaLyn™ (L-Alanine) 25 mg
SeriLyn™ (L-Serine) 25 mg
CysteiLyn™ (L-Cysteine) 25 mg
Patented Enzymatic BufferedConditionally Essential Amino Acids containing 500 mg
GlutaZorb®(Enzymatically Enhanced Buffered Glutamine) 500 mg
Bioavailability Very Good

Absorption Rating

  • Patented Enzymatic BufferedEssential Amino Acids containing Good
  • AminoZorb® BCAA 2:1:1(leucine, isoleucine, valine) Good
  • LysiLyn™ (L-Lysine) Good
  • PhenylalanLyn™ (L-Phenylalanine) Fair
  • L-Threonine Good
  • HistiLyn™ (L-Histidine) Good
  • TryptoLyn™ (L-Tryptophan) Good
  • MethioLyn™ (L-Methionine) Fair
  • Patented Enzymatic BufferedNon-Essential Amino Acids containing Good
  • L-Glutamic Acid Fair
  • GlyciLyn™ (L-Glycine) Good
  • TauriZorb ™ (Taurine) Good
  • AsparaLyn™ (L-Aspartic Acid) Fair
  • ArginLyn™ (L-Arginine) Good
  • CitriLyn™ (L-Citrulline) Poor
  • TyroLyn™ (L-Tyrosine) Good
  • L-Ornithine Good
  • AlaLyn™ (L-Alanine) Fair
  • SeriLyn™ (L-Serine) Good
  • CysteiLyn™ (L-Cysteine) Good
  • Patented Enzymatic BufferedConditionally Essential Amino Acids containing Good
  • GlutaZorb®(Enzymatically Enhanced Buffered Glutamine) Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
  • Silicon Dioxide
  • Sucralose
  • Natural and Artificial Flavors
  • Acesulfame Potassium
  • Malic Acid
Efficacy Very Poor

Dosage Analysis

  • Patented Enzymatic BufferedEssential Amino Acids containing 6225 mg Effective
  • AminoZorb® BCAA 2:1:1(leucine, isoleucine, valine) 5000 mg Effective
  • LysiLyn™ (L-Lysine) 950 mg Under-dosed
  • PhenylalanLyn™ (L-Phenylalanine) 80 mg Under-dosed
  • HistiLyn™ (L-Histidine) 77 mg Under-dosed
  • TryptoLyn™ (L-Tryptophan) 25 mg Under-dosed
  • MethioLyn™ (L-Methionine) 13 mg Under-dosed
  • Patented Enzymatic BufferedNon-Essential Amino Acids containing 2000 mg Under-dosed
  • L-Glutamic Acid 500 mg Under-dosed
  • GlyciLyn™ (L-Glycine) 500 mg Under-dosed
  • TauriZorb ™ (Taurine) 500 mg Effective
  • AsparaLyn™ (L-Aspartic Acid) 250 mg Under-dosed
  • ArginLyn™ (L-Arginine) 50 mg Under-dosed
  • TyroLyn™ (L-Tyrosine) 50 mg Under-dosed
  • L-Ornithine 25 mg Under-dosed
  • AlaLyn™ (L-Alanine) 25 mg Under-dosed
  • SeriLyn™ (L-Serine) 25 mg Under-dosed
  • CysteiLyn™ (L-Cysteine) 25 mg Under-dosed
  • Patented Enzymatic BufferedConditionally Essential Amino Acids containing 500 mg Under-dosed
  • GlutaZorb®(Enzymatically Enhanced Buffered Glutamine) 500 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Patented Enzymatic BufferedEssential Amino Acids containing 6225 mg
AminoZorb® BCAA 2:1:1(leucine, isoleucine, valine) 5000 mg
LysiLyn™ (L-Lysine) 950 mg
PhenylalanLyn™ (L-Phenylalanine) 80 mg
L-Threonine 80 mg
HistiLyn™ (L-Histidine) 77 mg
TryptoLyn™ (L-Tryptophan) 25 mg
MethioLyn™ (L-Methionine) 13 mg
Patented Enzymatic BufferedNon-Essential Amino Acids containing 2000 mg
L-Glutamic Acid 500 mg
GlyciLyn™ (L-Glycine) 500 mg
TauriZorb ™ (Taurine) 500 mg
AsparaLyn™ (L-Aspartic Acid) 250 mg
ArginLyn™ (L-Arginine) 50 mg
CitriLyn™ (L-Citrulline) 50 mg
TyroLyn™ (L-Tyrosine) 50 mg
L-Ornithine 25 mg
AlaLyn™ (L-Alanine) 25 mg
SeriLyn™ (L-Serine) 25 mg
CysteiLyn™ (L-Cysteine) 25 mg
Patented Enzymatic BufferedConditionally Essential Amino Acids containing 500 mg
GlutaZorb®(Enzymatically Enhanced Buffered Glutamine) 500 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.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sucralose Generally_safe

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

Natural and Artificial Flavors Generally_safe

It is used to improve the taste of the product.

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.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$40$39$38$37$36 Mar 12 $38.00
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
EFX Sports

Founded 2005 · Billings, Montana, USA · 27 products · efxsports.com/

Certifications

2 certifications
Informed Sport Verified Source
Fda Gmp Inspections Verified Source

Transparency

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

Violation History

2 incidents
Prop 65 Lead2018-04-20Source
Lawsuit False advertising regarding the bioavailability and effectiveness of Kre-Alkalyn EFX Creatine compared to creatine monohydrate.2012Source
Related Supplements
Frequently Asked Questions
Is EFX Sports AminoZorb® Elite 21, Sour Peach a good supplement?

EFX Sports AminoZorb® Elite 21, Sour Peach, 13.76 oz (390 g) received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 22 active ingredients with 30 servings per container. Of the 6 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, EFX Sports, holds a brand trust score of 79/100 with 2 verified certifications including Informed Sport, Fda Gmp Inspections.

What are the ingredients in EFX Sports AminoZorb® Elite 21, Sour Peach?

EFX Sports AminoZorb® Elite 21, Sour Peach contains 22 active ingredients: Patented Enzymatic BufferedEssential Amino Acids containing (6225 mg), AminoZorb® BCAA 2:1:1(leucine, isoleucine, valine) (5000 mg), LysiLyn™ (L-Lysine) (950 mg), PhenylalanLyn™ (L-Phenylalanine) (80 mg), L-Threonine (80 mg), HistiLyn™ (L-Histidine) (77 mg), and 16 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is EFX Sports AminoZorb® Elite 21, Sour Peach safe to take?

EFX Sports AminoZorb® Elite 21, Sour Peach, 13.76 oz (390 g) 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 EFX Sports a trustworthy supplement brand?

EFX Sports receives a brand trust score of 79/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Billings, Montana, USA, the company offers 27 products in their lineup. They hold 2 verified certifications including Informed Sport, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: EFX Sports has 2 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.