High-dose vitamins should have a long shelf life and be fresh for optimal effectiveness. Rest assured that I personally visit Costco Korea to obtain these products and deliver them directly to you, ensuring their freshness and quality. ✔️Kirkland Vitamin C 1000mg Kirkland Vitamin C 1000mg is a supplement that contains 1000mg of vitamin C in each capsule. Additionally, it contains wild rose fruit (Rosyhip) as a subsidiary ingredient. Vitamin C is an essential nutrient that helps boost the immune system and acts as an antioxidant. It is also necessary for the formation of collagen, a protein that supports the skin and connective tissues. ✔️Daily Multi 1,515mg Daily Multi 1,515mg is a multi-vitamin supplement that contains a mix of vitamins and minerals suitable for both men and women. It contains essential nutrients such as vitamins A, C, D, E, and K, as well as minerals such as calcium, magnesium, and zinc. This supplement helps to ensure that your body gets all the necessary nutrients that might be missing from your diet. ✔️Super B-Complex 1,248mg Super B-Complex 1,248mg is a supplement that contains eight types of vitamin B groups and vitamin C. This supplement is essential for generating energy and promoting vitality in the body. The B vitamins help convert food into energy and help support the nervous system. Vitamin C is an antioxidant that helps protect the body against damage from free radicals. ✔️Silver Multi 1,465mg Silver Multi 1,465mg is a multi-vitamin supplement that can be taken by both men and women. It contains essential nutrients such as vitamins A, C, D, E, and K, as well as minerals such as calcium, magnesium, and zinc. This supplement helps to ensure that your body gets all the necessary nutrients that might be missing from your diet.