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, cellulose, stearic acid (vegetable), croscarmellose sodium, niacinamide, magnesium stearate (vegetable), and coating (hypromellose, medium-chain triglycerides, and hydroxypropylcellulose