Seeking Health Optimal Liposomal Vitamin C Optimal Liposomal Vitamin C provides 1000 mg of all natural Vitamin C per dose. Optimal Liposomal Vitamin C utilizes consistent 150 nm sized liposomes which facilitate our high potency Vitamin C. The phosphatidylcholine is non-hydrogenated and is derived from tested GMO free ingredients. The fantastic lemon flavor is 100% natural and kids love it. This is a non-soy formula. Liposomal Vitamin C may be an unfamiliar nutrient to many individuals, but this vitamin can provide astounding benefits to one?s health. Optimal Lipsomal Vitamin C goes directly into your bloodstream directly to your liver, making it a fast acting and effective delivery method. Shelf Life: One year from manufacturing date. The manufacturing date is listed on the bottom of the bottle. 5 fl oz/ 150 mL