Metagenics

Ultra Potent-C® 500 Vitamin C

$29.95

SIZE: 90 tablets

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The Promise

Product Identity & Key Specs High‑potency, buffered vitamin C in tablet form

Ultra Potent‑C® 500 — a Metagenics tablet providing 500 mg vitamin C per serving, formulated for high dose tolerance.

Primary identity

Ultra Potent‑C® 500 Vitamin C, tablet format; 90 servings per container.

Principal ingredients & forms

Vitamin C blend (calcium ascorbate, niacinamide ascorbate, ascorbic acid, sodium ascorbate, magnesium ascorbate, potassium ascorbate, ascorbyl palmitate).

Complementary components

Includes niacin (niacinamide), L‑lysine HCl, citrus bioflavonoid complex, L‑cysteine HCl, L‑glutathione, xylitol, tetrasodium pyrophosphate, alpha D‑ribofuranose.

Dietary & quality facts

Vegetable magnesium stearate; coated tablet (hypromellose, MCTs, hydroxypropylcellulose); xylitol present.

Why It Works

Formulation Details That Matter Exact amounts, standardized extracts, and buffered vitamin C forms

Concrete formulation facts you can verify on the label.

01

Vitamin C potency

500 mg vitamin C per tablet (listed as 556% Daily Value).

02

Standardized bioflavonoids

Citrus Bioflavonoid Complex standardized to 45% (7.2 mg full‑spectrum bioflavonoids) — 16 mg complex total.

03

Niacin content

Niacin 35 mg per tablet (219% Daily Value), provided as niacinamide in ingredients list.

04

Buffered/multiple ascorbate forms

Multiple ascorbate salts included (calcium, sodium, magnesium, potassium) plus ascorbic acid and ascorbyl palmitate for mixed‑form delivery.

Reviews

Customer Reviews

Your Journey

How to Use & Practical Notes Label directions, format, servings, and safety

Clear, product‑specific guidance from the supplement facts and directions.

Serving & frequency

Take as directed

Suggested use: take one tablet three times daily or as directed by your healthcare practitioner. Serving size: 1 tablet.

Supply

Container yield

Servings per container: 90 (one tablet per serving).

Format & excipients

Tablet coating and excipients

Coated tablet (hypromellose, medium‑chain triglycerides, hydroxypropylcellulose); other inactive ingredients include microcrystalline cellulose, croscarmellose sodium, silica, and vegetable magnesium stearate.

Safety & storage

Warnings

Keep out of the reach of children.

Product education

Ultra Potent-C® 500 Vitamin C by Metagenics

Ultra Potent-C® 500 Vitamin C — This high-potency formula is designed to support immune health while being gentle on the stomach. Each tablet is crafted for easy tolerance at high doses, providing the same amount of vitamin C found in four oranges. Scientifically developed to enhance absorption by white blood cells, this supplement is ideal for those seeking robust immune support.*

Key Benefits

  • Supports immune health*
  • Gentle on the stomach
  • High absorption rate*

How It Works / Key Ingredients

Ultra Potent-C® combines vitamin C with a proprietary blend of ingredients to enhance its effectiveness and absorption. This formulation includes bioflavonoids and other supportive nutrients.*

How to Use

Take one tablet three times daily or as directed by your healthcare practitioner.

Supplement record

Review serving details and ingredients for this product.

Supplement Facts
Suggested Use: Directions: Take one tablet three times daily or as directed by your healthcare practitioner.
Serving Size: 1 tablet
Servings Per Container: 90
INGREDIENTSAMT%DV
Vitamin C 500 mg 556% 
Niacin35 mg 219% 
Sodium5 mg <1%
L-Lysine16 mg 
Citrus Bioflavonoid Complex  [standardized to 45% (7.2 mg) full spectrum bioflavonoids]16 mg 
Tetrasodium Pyrophosphate7 mg 
Alpha D-Ribofuranose6 mg 
Xylitol5 mg 
L-Cysteine4 mg 
L-Glutathione2 mg 
(†) Daily Value not established
Other Ingredients: Ultra Potent-C (calcium ascorbate, niacinamide ascorbate, ascorbic acid, sodium ascorbate, magnesium ascorbate, L-lysine HCI, ascorbyl palmitate, citrus bioflavonoid complex, potassium ascorbate, tetrasodium pyrophosphate, alpha D-ribofuranose, L-cysteine HCI, xylitol, and L-glutathione), microcrystalline cellulose, hydroxypropylcellulose, croscarmellose sodium, coating (hypromellose,medium-chain triglycerides, and hydroxypropylcellulose), silica, niacinamide, and magnesium stearate (vegetable).
Warnings/Caution: Keep out of the reach of children.