Vitamin C Crystals®

Vitamins

Brand: Douglas Laboratories

Other (e.g. tea bag)VitaminOff Market

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

Net Contents

8 oz.

Serving Size

0.5–1 tsp

Servings Per Container

Supplement Form

Other (e.g. tea bag)

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: 0.5–1 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)

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 or 1/2 teaspoon daily or as directed by your healthcare professional mix. Mix with water.

Warnings & Precautions

Precautions re: Children

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

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN

Precautions re: All Other

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

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

Other

Market Reference

$6.73 – $80.00· 40 listings

Douglas Laboratories High Potency Tablets
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C-1000 Douglas Laboratories
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Carlson Vitamin C Crystals
Walmart - Carlson Labs4.7(93)
$14.37
Douglas Laboratories Natural C 1000 mg Tablets
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$23.00
Buffered Vitamin C Crystals 250 Grammes
Target5.0(18)
$28.25
454 g 16 oz Crystals
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$32.30
Douglas Laboratories Douglas Ascorbplex 1000
TheNatural.com4.9(8)
$53.50
Douglas Laboratories C-Max 90 Tablets
Supplement First4.4(7)
$37.00

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
4.6 (119)
Vitamin & supplements store
30120 Haun Rd, Menifee, CA 92584
Directions (951) 672-4097
Nutrishop Menifee
4.9 (175)
Vitamin & supplements store
30109 Haun Rd, Menifee, CA 92584
Directions (951) 639-2600
Lovestones
4.7 (47)
Metaphysical supply store
27701 Scott Rd #201, Menifee, CA 92584
Directions (951) 303-5240
Pure Nutrition Murrieta
5.0 (47)
Vitamin & supplements store
39400 Murrieta Hot Springs Rd #104, Murrieta, CA 92563
Directions (951) 894-4460
Nature's Sunshine
3.0 (2)
Vitamin & supplements store
2560 N Perris Blvd, Perris, CA 92571
Directions (951) 768-0520
GNC
3.9 (37)
Vitamin & supplements store
1688 N Perris Blvd Spc D-3, Perris, CA 92571
Directions (951) 940-1970
Nature’s Sunshine Independent Distributor
5.0 (1)
Vitamin & supplements store
18601 Beck St, Perris, CA 92570
Directions (714) 818-3922
Pure Nutrition
4.9 (86)
Vitamin & supplements store
9496 Magnolia Ave Ste 102, Riverside, CA 92503
Directions (951) 729-5724

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 2012-01-25. DSLD Label ID: 5068. 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.