TRC 500®

Vitamins

Brand: Douglas Laboratories

CapsuleVitaminOn Market

Product label for TRC 500 — Click to view full label

Net Contents

250 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

250

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 01844 6

Product Version

Formula #7922

Label Analysis

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

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report a %DV; 1 meet or exceed 100% DV.

1Dietary Attributes

Label states: 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
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 Capsule(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Vitamin C(Ascorbic Acid)	500 mg	833%

Not Present

Other Ingredients

CelluloseGelatinWater

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 capsule daily or as directed by your healthcare professional.

Warnings & Precautions

Precautions re: Children

Keep out of reach of children.

Precautions re: All Other

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formulation

Formulation re: Does NOT Contain

This product contains no yeast, wheat, gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, preservatives or flavoring.

Formulation re: Other

Tamper resistant package, do not use if outer seal is missing.

Formula re: Contains

Timed-Release Vitamin C

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

General Statements: All Other Content

This product is designed to provide prolonged activity.

General: Product/Version Code

Formula #7922

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

1-800-245-4440

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Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

Tri-State Performance Nutrition
5.0 (5)
Vitamin & supplements store
622 Jersey Ave, Greenwood Lake, NY 10925
Directions (252) 515-6879

Research & Studies

Safety of symptomatic slow-acting drugs for osteoarthritis: outcomes of a systematic review and meta-analysis
G Honvo, JY Reginster, V Rabenda, A Geerinck… - Drugs & …, 2019 - pmc.ncbi.nlm.nih.gov
… The primary outcomes were overall severe and serious AEs, as well as AEs involving the following Medical Dictionary for Regulatory Activities (MedDRA) system organ classes (SOCs): …
2019161 citations
Daidzein from dietary supplement to a drug candidate: An evaluation of potential
M Ubaid, Salauddin, MA Shadani, SM Kawish… - ACS …, 2023 - ACS Publications
Daidzein (DDZ) is a well-known nutraceutical supplement belonging to the class of isoflavones. It is isolated from various sources such as alfalfa, soybean, and red clover. It …
202338 citations
Improving curcumin bioavailability: current strategies and future perspectives
R Tabanelli, S Brogi, V Calderone - Pharmaceutics, 2021 - mdpi.com
… A single 500 mg oral dose of Cureit ® was also compared with the other two commercially … Forty-five healthy males were casually distributed to one of three groups and given 500 mg of …
2021450 citations
Fundamental role for HIF-1α in constitutive expression of human β defensin-1
CJ Kelly, LE Glover, EL Campbell, DJ Kominsky… - Mucosal …, 2013 - Elsevier
… Hypoxia-inducible factor (HIF) is stabilized even in healthy intestinal mucosa, and we identified that epithelial HIF-1α maintains expression of murine defensins. Extension to a human …
2013170 citations
High-fiber diet or combined with acarbose alleviates heterogeneous phenotypes of polycystic ovary syndrome by regulating gut microbiota
X Wang, T Xu, R Liu, G Wu, L Gu, Y Zhang… - Frontiers in …, 2022 - frontiersin.org
… fibers is lower in patients with PCOS compared to healthy individuals (4–6). Dietary fibers … PCOS have gut microbial dysbiosis compared with healthy controls, and the gut microbial …
202250 citations
Neonatal fungi promote lifelong metabolic health through macrophage-dependent β cell development
JH Hill, R Bell, L Barrios, H Baird, K Ost… - Science, 2025 - science.org
Loss of early-life microbial diversity is correlated with diabetes, yet mechanisms by which microbes influence disease remain elusive. We report a critical neonatal window in mice when …
202529 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-02-24. DSLD Label ID: 70763. 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.