Vitamin C Crystals®

Vitamins

Brand: Douglas Laboratories

PowderVitaminOff Market

Product label for Vitamin C Crystals — Click to view full label

Net Contents

8 oz.

Serving Size

1 tsp

Servings Per Container

Supplement Form

Powder

Bar Code (UPC/SKU)

3 10539 82145 9

Product Version

Formula #82145

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.

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 tsp · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Vitamin C(Ascorbic Acid)	4000 mg	6667%

Not Present

Target Groups

Adult (18 - 50 Years)Dairy FreeSugar Free

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 teaspoon daily or as directed by your healthcare professional. Mix with water or juice.

Warnings & Precautions

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

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

Storage

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, artificial coloring, preservatives or flavoring.

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

General: Product/Version Code

Formula #82145

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

1.800.245.4440

Market Reference

$6.73 – $80.00· 40 listings

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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.

The Vitamin Shoppe
4.5 (126)
Vitamin & supplements store
4587 Okeechobee Blvd Suite 135, West Palm Beach, FL 33417
Directions (561) 682-9959
Royal Healings
5.0 (11)
Herbal medicine store
only online for now, West Palm Beach, FL 33401
Directions (561) 729-2817
Be Healthy Herbal Supplements
5.0 (1)
Vitamin & supplements store
3557 Forest Hill Blvd, West Palm Beach, FL 33406
Directions (561) 308-6317
Sharp Elite Nutrition
5.0 (20)
Vitamin & supplements store
5708 Azalea Cir, West Palm Beach, FL 33415
Directions (270) 315-1089
The Vitamin Shoppe
4.5 (98)
Vitamin & supplements store
1815 Palm Beach Lakes Blvd, West Palm Beach, FL 33401
Directions (561) 684-1913
Nature's Clear
4.5 (2)
Vitamin & supplements store
2328 10th Ave N #503, Lake Worth Beach, FL 33461
Directions (561) 855-7194
The Supplement Stop
5.0 (142)
Vitamin & supplements store
3972 Northlake Blvd, Palm Beach Gardens, FL 33403
Directions (561) 360-3356
Hippocrates Wellness
4.5 (467)
Vitamin & supplements store
1466 Hippocrates Way, West Palm Beach, FL 33411
Directions (561) 471-8876

Research & Studies

Vitamin C Crystals 4000 mg 8 oz by Douglas Labs
RNR Points
Kidney Stones
L McNamara - drladdvip.com
… vitamin C and the risk for developing calcium oxalate stones. … oxalate stones if supplementing with high doses of vitamin C (… mg can be obtained from Douglas Labs by first creating a …
Isolation and identification of vitamin C
WA Waugh, CG King - Journal of biological chemistry, 1932 - academia.edu
… Additional studies on the chemical nature of Szent-Gyorgyi’s hexuronic acid and our own crystalline vitamin C preparations are under way. In a preliminary paper which has just been re…
1932200 citations
Megadose Vitamin Therapy for Cancer
ZP Rona - highlevelwellness.ca
… of oxalic acid and oxalate kidney stones. Research over the … vitamin C actually prevents kidney stones. In those who already suffer from kidney stones, and who wish to use IV vitamin C, …
Vitamin C: its chemistry and biochemistry
MB Davies, J Austin, DA Partridge - 1991 - books.google.com
… A few years ago I had the great thrill of seeing a silo holding 30 tons of glucose and mountains of 2 cwt polythene bags of beautifully crystalline vitamin C awaiting export. Production …
1991618 citations
Development of Photoprotective Transdermal Patches for the Controlled-Release of Vitamin C Targeting Acne Vulgaris and Hyperpigmentation
OS Kim - 2024 - search.proquest.com
… Vitamin C, known as L-ascorbic acid (LAA), is clinically shown to alleviate AV and improve PIH. However, it is highly susceptible to degradation upon exposure to air and ultraviolet (UV) …
20242 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-02-26. DSLD Label ID: 30660. 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.