Ester-C Bio, 100 Capsules by Klaire Labs is a dietary supplement designed to support immune function and antioxidant activity. This product contains 675 mg of Ester-C, which is also known as calcium ascorbate. Ester-C, a form of vitamin C, is non-acidic, meaning it’s gentle on the stomach.

The supplement also includes bioflavonoids, such as quercetin and rutin, with a combined concentration of 75 mg per serving. Bioflavonoids are plant compounds that enhance the absorption and therapeutic action of vitamin C.

Notably, Klaire Labs' Ester-C Bio capsules are hypoallergenic, free from common allergens like milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, and soybeans. They also contain no artificial colors, flavors, or preservatives.

It's recommended for adults to take one capsule daily with food or as directed by a healthcare professional. Each bottle includes 100 capsules, which equates to roughly a three month’s supply.

Additionally, these capsules are suitable for vegetarians and are also gluten-free, making them accessible to a broad range of dietary requirements.

The product is made by Klaire Labs, a company known for producing high-quality, purity-tested dietary supplements. Klaire Labs' products are formulated based on scientific research to ensure they are helpful, effective, and safe for consumption.