Ultra-C Forte

Ultra-C Forte and 61 near-identical products are sold under 35 different brand names — a exact-twin Formula Twins cluster.

Product	Brand
Ultra-C Forte	Douglas Laboratories
Bio Complex C	VitaCeutical Labs
All Day C 500 mg	VitaCeutical Labs
C Extra 500 mg Plus 250 mg Bioflavonoids	Natural Factors
Sustained Release Vitamin C 500 mg	Bronson Laboratories
Ultra-C Forte	Douglas Laboratories
TRC 500 Timed-Release Vitamin C	Douglas Laboratories
Cap C-500 500 mg	Country Life
Timed Release C-500 mg	Vitamin World
Sustained Release Vitamin C 500 mg	Bronson Laboratories
Ultimate Eye II	Dr. Stan Guberman
Cap C-500 500 mg	Country Life
C 500 mg	Thompson
Day Long C 500 mg	Vitamer Laboratories
C-500 Complex 500 mg	The Vitamin Shoppe
Vitamin C 500 mg	The Vitamin Shoppe
TRC 500	Douglas Laboratories
Vitamin C 500 mg	Bluebonnet
Vitamin C 500 mg	Bluebonnet
Vitamin C-500 mg Plus Rose Hips	Bluebonnet
Vitamin C-500 mg Plus Rose Hips	Bluebonnet
Vitamin C-500 mg	Major
C 500 mg	Swanson
8 Hour Time Released Vitamin C 500 mg	Basic Vitamins
Buffer-C pH Controlled 500 mg	Country Life
Buffer-C pH Controlled 500 mg	Country Life
8 Hour Time Released Vitamin C 500 mg	Basic Vitamins
Timed Release Vitamin C 500 mg	Sundown
Sustained Release C-500 (Ascorbic Acid)	Windmill
C-500 Complex	The Vitamin Shoppe
C 500 mg	The Vitamin Shoppe
Vitamin C Concepts With Bioflavonoids	Natural Healthy Concepts
Time Released C 500 mg	Nature's Bounty
Vitamin C 500 mg	GNC
C 500 mg	Mason Natural
Baseline Vitamin C 500 mg	Nutra Sport
Polyphenol-C 500	Allergy Research Group
Vitamin C 500 mg Caps	VitalBulk
Non-GMO Vitamin C 500 with Berry Polyphenols	NurtiCology
Bio C Caps Vitamin C with Bioflavonoids	Woodstock Vitamins
Bio C Caps Vitamin C with Bioflavonoids	Woodstock Vitamins
Bio C Caps Vitamin C with Bioflavonoids	Woodstock Vitamins
Gold C Vitamin C 500 mg	California Gold Nutrition
Vita-C 500	Professional Botanicals
Vitamin C 500 mg Sustained Release	Nature's Blend
Total C Complex + Citrus Bioflavonoids & Rose Hips	California Gold Nutrition
Metabolic C 500 mg	Source Naturals
Total C Complex + Citrus Bioflavonoids & Rose Hips	California Gold Nutrition
Vitamin C 500 mg	Bluebonnet
Vitamin C-500 mg & Rose Hips	Bluebonnet
Vitamin C-500 mg & Rose Hips	Bluebonnet
Vitamin C 500 mg	Bluebonnet
Vitamin C 500 mg	GNC
Vitamin C	Everyday Health
Ultra-Cee 500 mg Timed Release	Puritan's Pride
C-Plex	Karuna
Glutathione, Cysteine & C	Life Extension
Vitamin C with Flavonoids	Thorne
Age-Less Skin Formula	Bluebonnet
Age-Less Skin Formula	Bluebonnet
C-500 500 mg	Swanson
Vitamin C with Rose Hips & Acerola 500 mg	Solaray