• 24-Hour Immune Support; Ester-C delivers 24-hour immune support, so one daily serving of 1000 mg is all you need; As a potent antioxidant, it helps fight free radicals, which can cause oxidative stress that may lead to the premature aging of cells†
• Gentle On The Stomach; Ester-C's water-based manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach†
• Optimal Absorption; Added citrus bioflavonoids may help your body better absorb and utilize Vitamin C
• Naturally-Occurring Metabolites; The naturally-occurring metabolites in Ester-C may help enhance the retention of Vitamin C in your white blood cells, an important part of your immune system†
• Suitable For Vegetarians & Vegans; No gluten, no yeast, no wheat, milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no artificial flavors, no sodium; Non-GMO

Ester-C® is a unique breakthrough Vitamin C formula supported with naturally occurring metabolites. Metabolites help enhance the absorption of Vitamin C by your white blood cells, an important part of your immune system.† Ester-C®'s unique, chemical-free manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach.† In a daily 1,000 mg dose, Ester-C® delivers 24-hour immune support...so once a day is all you need.† Added Citrus Bioflavonoids may help your body better absorb and utilize Vitamin C.†

†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Source of Life Garden™ Vitamin C Caps provides 500 mg of vitamin C and 100 mg bioflavonoids from certified organic amla berry, supplying 2500 ORAC units of antioxidant activity! With over 20 organic whole foods.

Vegan, Hypo-Allergenic

• Supports healthy aging, and cardiovascular and cellular health
• With hydrogel-coated trans-resveratrol for enhanced bioavailability
• Non-GMO and gluten-free

Age like a fine wine with Optimized Resveratrol Elite from Life Extension. This advanced formula promotes healthy aging by supporting cardiovascular health and defending against oxidative stress with trans-resveratrol and quercetin.

Frequently Asked Questions

What does “bioavailable” mean?

When something is bioavailable, it means that it’s more readily absorbed and used by the body. 

What is resveratrol?

Resveratrol is a natural compound found in fruits such as grapes and berries. It's believed to have healthy aging properties.

What is quercetin?

Quercetin is a plant pigment called a flavonoid, which is an antioxidant that scavenges free radicals in the body and protects cell membranes.

What is oxidative stress?

Oxidative stress refers to an imbalance of free radicals and antioxidants in the body, which can cause damage to cells.