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Free Amino Acids

product on market Tablet or Pill Nature's Sunshine Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 15% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This profile contains amino acids and magnesium, which are researched for supporting muscle recovery and metabolic function. While ingredients like L-glutamine and L-leucine have moderate evidence for athletic support, the overall evidence coverage for this specific formulation is limited. The profile maintains a high safety score with no significant concerns noted.

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

Label

Product Label

Label for Free Amino Acids
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
15%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

106 mg (25% DV)
Within RDA (0.3× RDA) 316 studies (A:8, B:159)
140 mg
Market median: 420.0mg (227 products)
100 mg
Market median: 500.0mg (861 products) 61 studies (A:4, B:13)
100 mg
Market median: 17.4mg (161 products)
90 mg
Market median: 500.0mg (159 products)
Market median: 2000.0mg (63 products)
L-Valine
70 mg
56 mg
Market median: 17.4mg (161 products)
L-Phenylalanine
56 mg
L-Threonine
56 mg
L-Proline
45 mg
L-Alanine
44 mg
L-Serine
41 mg
30 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
29 mg
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews
22 mg
Market median: 500.0mg (143 products)
L-Cysteine
21 mg
Glycine
16 mg
L-Histidine
16 mg
14 mg
Market median: 500.0mg (70 products)

Other Ingredients

hydrolyzed Whey Protein Cellulose Stearic Acid Silicon Dioxide Vegetable Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended Use: Take 2 tablets witha meal three times daily.

Warnings & Precautions

Attention Phenylketonurics: Contains Phenylalanine.

Do not use if inner seal is missing or damaged.

Formulation Notes

Free Amino Acids is designed for individuals involved in strength and endurance training. L-Carnitine helps transport fats into the mitochondria to be burned for energy. Magnesium helps to activate enzymes necessary for carbohydrate and amino acid metabolism.

Structural system support

Free Amino Acids with Magnesium & L-Carnitine

Guaranteed pure

Additional Information

Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.

New look! Same great product

Herbal experts since 1972

Metadata

Product Details

UPC / SKU0 99904 03664 2
DSLD Entry Date2021-09-24
Product TypeOther Combinations
FormTablet or Pill
BrandNature's Sunshine
DSLD ID255231
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.