The Vitamin Shoppe Amino Acid Complex, 100 Tablets supplement bottle
The Vitamin Shoppe

Amino Acid Complex, 100 Tablets

What We Researched
23 active ingredients analyzed · 6 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
76
Product Score Fair
87
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Protein (from rice protein isolate) 2 g
Calcium (as dicalcium phosphate) 107 mg 8%
L-Alanine 240 mg *
L-Arginine 417 mg *
L-Aspartic Acid 434 mg *
L-Cysteine 72 mg *
L-Glutamic Acid 825 mg *
L-Glycine 206 mg *
L-Histidine 110 mg *
L-Isoleucine 315 mg *
L-Leucine 611 mg *
L-Lysine 492 mg *
L-Methionine 134 mg *
L-Ornithine 128 mg *
L-Phenylalanine 326 mg *
L-Proline 182 mg *
L-Serine 259 mg *
L-Threonine 182 mg *
L-Tryptophan 38 mg *
L-Tyrosine 244 mg *
L-Valine 259 mg *
Bioavailability Excellent

Absorption Rating

  • Protein (from rice protein isolate) Good
  • Calcium (as dicalcium phosphate) Fair
  • L-Alanine Good
  • L-Arginine Good
  • L-Aspartic Acid Good
  • L-Cysteine Good
  • L-Glutamic Acid Fair
  • L-Glycine Good
  • L-Histidine Good
  • L-Isoleucine Good
  • L-Leucine Good
  • L-Lysine Good
  • L-Methionine Good
  • L-Ornithine Good
  • L-Phenylalanine Good
  • L-Proline Good
  • L-Serine Good
  • L-Threonine Good
  • L-Tryptophan Good
  • L-Tyrosine Good
  • L-Valine Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Magnesium Stearate
  • Silicon Dioxide
  • Modified Cellulose
  • Croscarmellose Sodium
Efficacy Very Poor

Dosage Analysis

  • Protein (from rice protein isolate) 2 g Under-dosed
  • Calcium (as dicalcium phosphate) 107 mg Under-dosed
  • L-Arginine 417 mg Under-dosed
  • L-Aspartic Acid 434 mg Under-dosed
  • L-Cysteine 72 mg Under-dosed
  • L-Glutamic Acid 825 mg Under-dosed
  • L-Glycine 206 mg Under-dosed
  • L-Histidine 110 mg Under-dosed
  • L-Isoleucine 315 mg High
  • L-Leucine 611 mg Under-dosed
  • L-Lysine 492 mg Under-dosed
  • L-Methionine 134 mg Under-dosed
  • L-Ornithine 128 mg Under-dosed
  • L-Phenylalanine 326 mg Under-dosed
  • L-Proline 182 mg Under-dosed
  • L-Serine 259 mg Under-dosed
  • L-Tryptophan 38 mg Under-dosed
  • L-Tyrosine 244 mg Under-dosed
  • L-Valine 259 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 15
Total Carbohydrate 1 g <1%†
Protein (from rice protein isolate) 2 g
Calcium (as dicalcium phosphate) 107 mg 8%
L-Alanine 240 mg *
L-Arginine 417 mg *
L-Aspartic Acid 434 mg *
L-Cysteine 72 mg *
L-Glutamic Acid 825 mg *
L-Glycine 206 mg *
L-Histidine 110 mg *
L-Isoleucine 315 mg *
L-Leucine 611 mg *
L-Lysine 492 mg *
L-Methionine 134 mg *
L-Ornithine 128 mg *
L-Phenylalanine 326 mg *
L-Proline 182 mg *
L-Serine 259 mg *
L-Threonine 182 mg *
L-Tryptophan 38 mg *
L-Tyrosine 244 mg *
L-Valine 259 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Modified Cellulose Safe

Creates vegetarian capsule shells with controlled dissolution.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$35$34$33$32$31 Mar 12 $33.00
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
The Vitamin Shoppe

Founded 1977 · Secaucus, New Jersey, U.S. · 301 products · vitaminshoppe.com

Certifications

4 certifications
Consumerlab Verified
Nsf Certified For Sport Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source

Violation History

7 incidents
Lawsuit Understating the sodium content of its Plnt Organic Protein Bar.2025Source
Prop 65 Lead2024-02-08Source
Lawsuit Failure to pay accurate wages and provide proper breaks.2023Source
Lawsuit False and misleading labeling on BodyTech glutamine supplements.2023Source
Lawsuit Website inaccessible to visually impaired individuals.2021Source
Recall Vthrive Bioactive Women's One-Daily Multi vitamins2020-09-24Source
Recall The Vitamin Shoppe Energy Formula multivitamins2020-04-16Source
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Frequently Asked Questions
Is The Vitamin Shoppe Amino Acid Complex, 100 Tablets a good supplement?

The Vitamin Shoppe Amino Acid Complex, 100 Tablets received a product quality score of 76/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 23 active ingredients with 25 servings per container. All 6 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, The Vitamin Shoppe, holds a brand trust score of 87/100 with 4 verified certifications including Consumerlab, Nsf Certified For Sport, Fda Gmp Inspections, Usda Organic.

What are the ingredients in The Vitamin Shoppe Amino Acid Complex, 100 Tablets?

The Vitamin Shoppe Amino Acid Complex, 100 Tablets contains 23 active ingredients: Calories (15), Total Carbohydrate (1 g), Protein (from rice protein isolate) (2 g), Calcium (as dicalcium phosphate) (107 mg), L-Alanine (240 mg), L-Arginine (417 mg), and 17 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is The Vitamin Shoppe Amino Acid Complex, 100 Tablets safe to take?

The Vitamin Shoppe Amino Acid Complex, 100 Tablets has been analyzed for ingredient safety across all its components. All 6 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is The Vitamin Shoppe a trustworthy supplement brand?

The Vitamin Shoppe receives a brand trust score of 87/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1977 and headquartered in Secaucus, New Jersey, U.S., the company offers 301 products in their lineup. They hold 4 verified certifications including Consumerlab, Nsf Certified For Sport, Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: The Vitamin Shoppe has 7 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.