Free Amino Acids with Magnesium & L-Carnitine®
Other CombinationsBrand: Nature's Sunshine
Net Contents
60 Tablet(s)
Serving Size
2 Tablet(s)
Servings Per Container
30
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 99904 03664 2
Product Version
Stock No. 3664
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
20 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report an established %DV per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 2 Tablet(s) · 3 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Magnesium(Magnesium Aspartate, Magnesium Oxide) | 106 mg | 25% |
| L-Glutamine | 140 mg | — |
| L-Carnitine | 100 mg | — |
| L-Leucine | 100 mg | — |
| L-Lysine | 90 mg | — |
| L-Aspartic Acid | 88 mg | — |
| L-Valine | 70 mg | — |
| L-Isoleucine | 56 mg | — |
| L-Phenylalanine | 56 mg | — |
| L-Threonine | 56 mg | — |
| L-Proline | 45 mg | — |
| L-Alanine | 44 mg | — |
| L-Serine | 41 mg | — |
| L-Tyrosine | 30 mg | — |
| L-Methionine | 29 mg | — |
| L-Arginine | 22 mg | — |
| L-Cysteine | 21 mg | — |
| Glycine | 16 mg | — |
| L-Histidine | 16 mg | — |
| L-Tryptophan | 14 mg | — |
Not Present
Amino Acid Profile
19 amino acids detected on the label, including 9 essential and 3 branched-chain (BCAA). Bars show the disclosed amount per serving; total mapped amino acids ≈ 1.03 g.
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Recommendation Take two tablets with a meal three times daily in addition to your daily multiple vitamin and mineral supplement.
Suggested/Recommended/Usage/Directions
Daily
Warnings & Precautions
Precautions re: Allergies
Attention Phenylketonurics: Contains Phenylalanine.
Precautions re: All Other
This bottle was sealed for your protection. Do not use if inner seal is missing or damaged.
Formulation
Formula re: Contains
Attention Phenylketonurics: Contains Phenylalanine.
Formula re: Contains
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.
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
FDA Statement of Identity
Dietary supplement
Other Label Statements
General Statements: All Other Content
010036641216
General Statements: All Other Content
Guaranteed pure Structural system support Free Amino Acids is designed for individuals involved in strength and endurance training, to help develop muscle tissue, mass, and density during physical activity, stress, and recover.
General Statements: All Other Content
Nature's Sunshine uses natural source materials that are subject to color variation. Product of U.S.A. Since 1972 Quality, service, integrity
General Statements: All Other Content
Helps attain optimum muscle mass Helps develop muscle tissue & density
Manufacturer & Distributor
Manufacturer
Nature's Sunshine Products, Inc.
Spanish Fork, UT, 84660
1-800-223-8225
Market Reference
Nature's Sunshine L-Carnitine 30 Capsules
Nature's Sunshine Products$32.60Nature's Sunshine Free Amino Acids 60 Tablets | Helps Develop Build and Maintain Muscle Tissue While Supporting Muscle Strength and Endurance
GoSupps.com5.0(8)$79.99Nature's Sunshine Super Supplemental 120 Tablets
Nature's Sunshine Products4.3(6)$32.35Nature's Sunshine l-Glutamine 30 Capsules
Nature's Sunshine Products$27.95LowestMagnesium 180 Tablets Nature's Sunshine
GoSupps.com$54.99Nature's Sunshine Love & Peas 2 Pack
CaringSunshine.com5.0(2)$49.70Nature's Sunshine Love & Peas Sugar Free Powder
Healthy Warehouse$49.70
Where to Buy Locally
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GNC
4.2 (280)Vitamin & supplements store
134-136 Fulton St, New York, NY 10038
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Research & Studies
Assessing the roles of retinol, vitamin K2, carnitine, and creatine in plant-based diets: A narrative review of nutritional adequacy and health implications
DM Goldman, CB Warbeck, R Barbaro, C Khambatta… - Nutrients, 2025 - mdpi.com
… women provide supplements containing 45 mg/day of MK-4 … is a nonessential amino acid that is integral to fatty acid … between genetically predicted L-carnitine levels and higher risk of …
20259 citationsThe effects of a commercial nutritional supplement combining amino acids, glutamine, carnitine and B-vitamins on the physiological responses to ultraendurance …
MV Mitchell - 1991 - digitalcommons.odu.edu
… question relates to the physiological effects of amino acid and L-carnitine supplementation … amino acid supplement contained 395 mg'l" 1 of leucine, 140 mg'l" 1 of isoleucine and 200 mg…
1991Earth Medicine
P Andersen-Parrado - Better Nutrition, 1999 - books.google.com
… There are many natural sun-protection products that feature a … Largest free-amino acid in the muscles and important for … interfere with the normal function of L-Carnitine in the body …
1999Biomedical role of L-carnitine in several organ systems, cellular tissues, and COVID-19
IS Al-Dhuayan - Brazilian Journal of Biology, 2022 - SciELO Brasil
… (acetyl-L-carnitine and propionyl-L-carnitine) essential amino acid lysine which plays … , the most common loading dose was 100 mg/kg, with another dose of 50 mg/kg, to address …
202220 citationsImpact of supplementation and nutritional interventions on pathogenic processes of mood disorders: A review of the evidence
CT Hoepner, RS McIntyre, GI Papakostas - Nutrients, 2021 - mdpi.com
… symptoms include zinc, magnesium, omega-3 fatty acids, and … medical foods, amino acids, and other supplements. … L-carnitine facilitates the transfer of activated long chain fatty …
202183 citationsNutrient therapy for the improvement of fatigue symptoms
M Barnish, M Sheikh, A Scholey - Nutrients, 2023 - mdpi.com
… Branched-chain amino acids have been suggested to reduce central fatigue [66]. … supplement containing branched-chain amino acids (2500 mg), CoQ10 (30 mg), and L-carnitine (50 mg…
202348 citations
Related News
Reading BCAA and Amino Acid Labels
What the leucine, isoleucine, and valine ratios on a BCAA label tell you, and how amino acid amounts are listed.
VitaSuppTrack Editorial· Jun 24, 2026Magnesium Forms Explained: Oxide, Citrate, and Glycinate
The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.
VitaSuppTrack Editorial· Jun 24, 2026
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-10-23. DSLD Label ID: 208197. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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