GMP Certified Vegan & Gluten Free ProtZym Formula Ships Next Business Day 25+ Years Quality
Front
Supplement facts
Suggested use
ProtZym · Vegan · Gluten Free

Vitamin C-1000

Buffered Calcium Ascorbate with Citrus Bioflavonoids, Acerola & Rutin

★★★★★ 4.9 (84 reviews)
$10.99 USD

A high-potency Vitamin C supplement by ProtZym delivering 1000mg of buffered Calcium Ascorbate per tablet — gentler on the stomach than plain ascorbic acid. Enhanced with Citrus Bioflavonoid Complex (250mg), Acerola Powder (50mg), and Rutin Powder (50mg) for synergistic support. Vegan, gluten free, no artificial colors or preservatives.

  • Vitamin C (from Calcium Ascorbate) — 1000mg — 1111% DV
  • Citrus Bioflavonoid Complex — 250mg
  • Acerola Powder (Malpighia punicifolia) — 50mg
  • Rutin Powder (Sophora japonica) — 50mg
  • 30 tablets per bottle — 30-day supply
  • Vegan · Gluten Free · No artificial colors or preservatives
Free US shipping on orders over $90
Ships next business day from San Ysidro, CA
30-day return policy
Worldwide shipping available

Product Details

Supplement facts, suggested use, and label information

Vitamin C-1000 by ProtZym
Supplement Facts

Serving size: 1 tablet  |  Servings per container: 30

Amount per serving Amount %DV
Vitamin C (from Calcium Ascorbate)1000 mg1111%
Calcium (from Calcium Ascorbate)100 mg8%
Citrus Bioflavonoid Complex250 mg†
Acerola Powder (Malpighia punicifolia) (Fruit)50 mg†
Rutin Powder (Sophora japonica) (Flower Bud)50 mg†

† Daily value not established. Percent daily values based on a 2,000 calorie diet.

Other Ingredients

Cellulose, Stearic Acid (vegetable source), Magnesium Stearate (vegetable source), Silica, Vegetarian Coating Allergens.

Allergen Information

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these.

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.

Vitamin C-1000 suggested use and warnings
Suggested Use
Vitamin C-1000 supplement facts label
Supplement Facts

Why Buyers Choose TJ Supply

Over 25 years distributing quality supplements worldwide

25+ Years

Established since 2001. One of the longest-running supplement distributors in the US market.

ProtZym Quality

Formulated by ProtZym with high-potency Calcium Ascorbate and synergistic botanical ingredients.

GMP Certified

Manufactured following Good Manufacturing Practices. Vegan, gluten free, no artificial additives.

Free US Shipping

Free shipping on orders over $90 in the US. Ships the next business day from San Ysidro, CA.

Vegan & Clean

No artificial colors, flavors, or chemical preservatives. Vegan and gluten free formula.

About the Key Ingredients

What makes Vitamin C-1000 more than just ascorbic acid

Vitamin C-1000 by ProtZym

  • Calcium Ascorbate is a buffered (non-acidic) form of Vitamin C — gentler on the stomach than plain ascorbic acid.
  • Delivers a full 1000mg (1111% DV) of Vitamin C per tablet.
  • Also contributes 100mg of Calcium (8% DV) per serving.

  • Naturally occurring plant compounds found alongside Vitamin C in citrus fruits.
  • Included at 250mg per tablet to complement the ascorbate content.
  • Also known as Vitamin P — works synergistically with Vitamin C.

  • Acerola (Barbados Cherry) is one of the richest natural sources of Vitamin C.
  • Sourced from the fruit of Malpighia punicifolia.
  • Adds a natural food-sourced complement to the synthetic ascorbate base.

  • Rutin is a plant-derived flavonoid glycoside sourced from the flower buds of Sophora japonica.
  • A member of the flavonoid family, complementing the Citrus Bioflavonoid Complex in the formula.
  • Combined with Vitamin C and bioflavonoids for a complete citrus-complex tablet.

Frequently Asked Questions

About Vitamin C-1000 by ProtZym

Vitamin C-1000 is a dietary supplement by ProtZym delivering 1000mg of Vitamin C from Calcium Ascorbate per tablet, along with Citrus Bioflavonoid Complex (250mg), Acerola Powder (50mg), and Rutin Powder (50mg). It is vegan, gluten free, and GMP certified.

Calcium Ascorbate is a buffered, non-acidic form of Vitamin C that is gentler on the stomach. It delivers the same 1000mg dose as standard ascorbic acid but with less potential for digestive discomfort, making it suitable for those with sensitive stomachs.

For adults, take (1) tablet daily, preferably with a meal. Do not exceed the recommended dose. For adults only — consult a physician if pregnant or nursing, taking medication, or have a medical condition.

Yes. Vitamin C-1000 is vegan and gluten free with no artificial colors, flavors, or chemical preservatives. It is not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut, or sesame ingredients.

Each bottle contains 30 tablets — a 30-day supply at one tablet per day.

TJ Supply offers a 30-day return policy on all products. Contact us at b17@tjsupply.com or call (800) 811-3965 for return assistance.

Customer Reviews

What our customers are saying

Complete Your B17 Protocol

Pair with complementary Novodalin and ProtZym products

Vitamin B17 500mg Capsules — Novodalin

Vitamin B17 500mg Capsules

Pure amygdalin capsules. 500mg per capsule, 100 capsules per bottle. Authentic Novodalin formula.

View 500mg Capsules
Protzym Forte Digestive Enzymes

Protzym Digestive Enzymes

High-strength enzyme blend with 11 enzymes. 90 capsules. Commonly used alongside B17 supplementation protocols.

View Enzymes
Daily Vital Support — Saw Palmetto by ProtZym

Daily Vital Support — Saw Palmetto

Prostate health and hormonal balance formula by ProtZym. Three proprietary blends. 90 capsules.

View Saw Palmetto

Vitamin C-1000

$10.99 · 30 tablets

Buy Now