The Vitamins D and K With Sea-Iodine supplement by Life Extension combines Vitamins D3, K1, and K2 (MK-7) with a sea algae iodine complex. Designed to optimize calcium homeostasis and enhance thyroid functions, this product is ideal for athletes, especially those under high physiological stress. Vitamin D improves calcium absorption, while Vitamin K directs it to bone tissue, avoiding unwanted deposits. Sea iodine, Sea-Iodine™, supports the synthesis of essential thyroid hormones. Formulated to ensure purity, free from common allergens, and encapsulated in plant-based capsules, this product ensures maximum endocrine performance. Keep out of reach of children and consult a professional before use if on medical treatment.