Back to catalog home


Klaire Labs



Ester-C® product image

A non-acidic form of vitamin C that is gentle on the stomach. Created by a unique process resulting in a patented mixture of mineral ascorbates and vitamin C metabolites. Ester-C can be taken by anyone who wishes to increase their intake of vitamin C. This non-acidic form may be more comfortably digested by those who have difficulty tolerating regular vitamin C.

Suggested Use:

Take 1 capsule, 1 to 2 times daily with food or as directed by a healthcare professional.



Serving Size: 1 Capsule


Amount Per Serving

Vitamin C Ester-C®‡ … 500 mg

(as calcium L-ascorbate)

Calcium Ester-C®‡ … 55 mg

(as calcium L-ascorbate)


Other Ingredients: Vegetarian capsule (hydroxypropyl methylcellulose, water), stearic acid, microcrystalline cellulose, and silicon dioxide.



Free of the following common allergens: milk/ casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors, or preservatives.


Caution: If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your physician before using this product. KEEP OUT OF REACH OF CHILDREN.

Similar products
Ester-C® Bio product image
Ester-C® & Flavonoids product image

Ester-C® & Flavonoids

Pure Encapsulations



Optiferin-C product image


Pure Encapsulations

60 capsules



Buffered C-1000 product image

Buffered C-1000

Biospec Nutritionals

90 tablets