This Lamberts Vegan Vitamin D3 supplement provides a high potency dose of 4000 International Units (IU) per capsule, sourced from a vegan-friendly source. Vitamin D is essential for numerous bodily functions, including supporting the normal function of the immune system and aiding in the maintenance of normal bones and teeth. This formulation is designed for effective daily supplementation. Ideal for individuals looking to maintain optimal Vitamin D levels throughout the year, especially those with limited sun exposure.