Inosine 500 mg®

Other Combinations

Brand: Source Naturals Athletic Series

Tablet or PillOther CombinationsOn Market

Product label for Inosine 500 mg — Click to view full label

Net Contents

120 Tablet(s)

Serving Size

1–3 Tablet(s)

Servings Per Container

120

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 21078 00663 3

Product Version

SN0663 REV D111

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report an established %DV per serving.

2Dietary Attributes

Label states: Vegetarian, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

Milk
Egg
Wheat
Soy
Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1–3 Tablet(s) · 1– per day

Ingredient	Amount Per Serving	% Daily Value
Calcium	30 mg	3%
Inosine	500 mg	—

Not Present

Other Ingredients

Dibasic Calcium PhosphateSorbitolStearic Acidmodified Cellulose GumMagnesium Stearate

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: 1 to 3 tablets before workout.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant, may become pregnant, breastfeeding, have kidney disease, or gout, consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Formulation

Formula re: Contains

Inosine is a nucleoside (a building block for DNA and RNA) found in muscle tissue. Inosine is used by athletes and those who want to improve performance.

Formulation re: Vegetarian/Vegan

Suitable for vegetarians.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

FDA Statements

FDA Statement of Identity

Dietary Supplement

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.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$10.09 – $19.95· 6 listings

Inosine Source Naturals
iHerb4.7(157)
$10.41
Inosine 500 mg Quick Release Capsules
Walmart - PIPING ROCK HEALTH PRODUCTS, LLC4.9(14)
$13.79
Swanson Inosine 500 mg 60 Caps
iHerb4.8(154)
$10.09Lowest
Inosine 500 mg
Curated Wellness
$19.95
Ecological Formulas Inosine 500 mg 60 caps
Natural Healthy Concepts4.9(8)
$15.99
Inosine
simpharmacy.com
$19.95

Where to Buy Locally

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Nutrition Depot
5.0 (112)
Vitamin & supplements store
2005 Southwest Fwy, Houston, TX 77098
Directions (346) 516-0878
Willner Chemists
4.7 (146)
Vitamin & supplements store
100 Park Ave, New York, NY 10017
Directions (800) 633-1106
Uscriptives
4.4 (42)
Vitamin & supplements store
1535 W Loop S Ste 200, Houston, TX 77027
Directions (800) 778-7191
PureBulk, Inc.
4.7 (303)
Vitamin & supplements store
1640 Austin Rd, Roseburg, OR 97471
Directions (541) 679-1500
Eniva Health
4.2 (61)
Vitamin & supplements store
2700 Campus Dr, Plymouth, MN 55441
Directions (866) 999-9191
Nutriessential
2.0 (16)
Vitamin & supplements store
5880 Collins Ave, Miami Beach, FL 33140
Directions (786) 623-4117
Swanson Health Products
3.2 (90)
Warehouse
4075 40th Ave S, Fargo, ND 58104
Directions (800) 824-4491
HerbsPro
4.3 (3505)
Vitamin & supplements store
31909 Hayman St, Hayward, CA 94544
Directions (510) 324-2900

Research & Studies

Increasing endurance in physical effort by administration of inosine
C Păunescu, G Piţigoi, G Cosma, SM Pițuru… - …, 2021 - farmaciajournal.com
… inosine as a dietary supplement on performance in athletes … got two capsules of inosine (500 mg of inosine per capsule) in … , to increase energy levels, maintain endurance, health and …
202114 citations
Natural products and the athlete: facts and folklore
RL Barron, GJ Vanscoy - Annals of Pharmacotherapy, 1993 - journals.sagepub.com
… are available in tablet form in strengths of 200-500 mg. Gymnema … inosine supplementation on athletic performance of an … performance or to muscle growth in healthy individuals are …
199344 citations
Hawthorn–Lysine
E Jain, C Ezeibe, G Adesoji - … Evidence-Based Guide to Supplements, 2024 - Springer
… healthcare provider to be able to reference each supplement … studies indicate that inosine supplementation has no … In the body, it was found that lecithin, specifically in athletes can help …
2024
An examination of the ergogenic and adaptogenic role of dietary nucleotide supplementation upon sprint performance, immunity, gastrointestinal function and skeletal …
FY Wong - 2025 - search.proquest.com
… met through increasing inputs from exogenous sources either dietary and/or supplemental. … While nucleotide supplementation may be potentially beneficial for athletes, the optimal mix …
2025
Ergogenic aids
CD Wilborn, L Taylor, JN Davis - Conditioning for Strength and …, 2018 - taylorfrancis.com
… reported that inosine supplementation does not improve athletic … about the effect of chronic supplementation on health. … (or placebo) at a level of 0.5 mg/ kg of body weight daily (88). …
20181 citations
Dietary supplements and nutritional ergogenic aids in sport
L Burke, B Desbrow, M Minehan - Clinical sports nutrition, 2000 - higiene.unex.es
… that certain types of athletes use supplements to compensate for … athletes are motivated by the direct performance or health … isolated inosine supplementation used well-trained athletes …
200067 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-09-25. DSLD Label ID: 295893. 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.