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Amino Acid Synergy

product on market Capsule Designs for Health Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 9% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula combines branched-chain and essential amino acids with Vitamin B-6 to support protein synthesis and metabolic function. Research provides moderate evidence that L-Leucine and L-Arginine assist in muscle recovery and nitrogen balance. However, overall evidence coverage for this specific ingredient combination is limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Amino Acid Synergy
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
9%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

14 mg (700% DV)
10.8× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
L-Histidine
338 mg
338 mg
Market median: 17.4mg (161 products)
Alpha-Ketoglutarate
300 mg
300 mg
Market median: 500.0mg (143 products)
300 mg
Market median: 500.0mg (159 products)
L-Phenylalanine
300 mg
L-Valine
300 mg
270 mg
Market median: 17.4mg (161 products)
270 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
L-Threonine
270 mg

Other Ingredients

Microcrystalline Cellulose Vegetable Stearate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Recommended Use: As a dietary supplement, take four capsules per day between meals, or as directed by your health care practitioner.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Formulation Notes

Does not contain gluten.

Additional Information

AAS120

For Professional Use Only

Guaranteed GMP COMPLIANT Products

Manufactured in an NSF GMP Registered Facility

STORE IN A COOL, DRY PLACE.

Notice: Color, size or shape may appear different between lots.

Metadata

Product Details

UPC / SKU8 79452 00182 4
DSLD Entry Date2013-06-25
Product TypeOther Combinations
FormCapsule
BrandDesigns for Health
DSLD ID22323
Data Updated2026-04-11
Research

Research Evidence

50
Research Sources
47
Avg Quality
28
Rct
13
Clinical Trial
5
Guideline
4
Systematic Review
A Using a Novel Consensus-Based Chemoinformatics Approach to Predict ADMET Properties and Druglikeness of Tyrosine Kinase Inhibitors.
Guideline International journal of molecular sciences 2025 PubMed DOI
B Australia and New Zealand consensus statement on the cardiovascular management of patients with chronic lymphocytic leukaemia treated with Bruton's tyrosine kinase inhibitors.
Guideline Internal medicine journal 2025 PubMed DOI
B Branched-chain amino acid supplementation for improving growth and development in term and preterm neonates
Systematic Review The Cochrane database of systematic reviews 2020 PubMed DOI
B [Clinical practice guideline on anaplastic lymphoma kinase-tyrosine kinase inhibitors for non-small cell lung cancer (2025 edition)].
Guideline Zhonghua zhong liu za zhi [Chinese journal of oncology] 2025 PubMed DOI
B [Chinese expert consensus on epidermal growth factor receptor tyrosine kinase inhibitors for the treatment of non-small cell lung cancer (2025 edition)].
Guideline Zhonghua yi xue za zhi 2025 PubMed DOI
B Consensus Guideline for the Diagnosis and Treatment of Tyrosine Hydroxylase (TH) Deficiency.
Guideline Journal of inherited metabolic disease 2025 PubMed DOI
B Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating
Rct Cognitive, affective & behavioral neuroscience 2020 PubMed DOI
B Effect of Amino Acid Supplementation on Iron Regulation after Endurance Exercise
Rct Nutrients 2023 PubMed DOI
C Attenuating Muscle Damage Biomarkers and Muscle Soreness After an Exercise-Induced Muscle Damage with Branched-Chain Amino Acid (BCAA) Supplementation: A Systematic Review and Meta-analysis with Meta-regression
Systematic Review Sports medicine - open 2024 PubMed DOI
C The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review
Systematic Review Plant foods for human nutrition (Dordrecht, Netherlands) 2020 PubMed DOI
View all evidence for Tyrosine →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.