When your immune system needs a protective boost, and when you might not be getting outside as much, or you want some extra protection for your health -  KLXVUYUN D3 PLUS patches, give you 30 week's supply of the one of the best slow-release doses of vitamin D3, at 4000 IU, strong enough to maintain a health immune system, as well as safe enough to use once a week. These D3 patches also contain Iron (as quick absorbing Bisglycinate), and Vitamin C, great for muscle strength, as well as to help with the vital minerals your body needs. Transdermal patches are perfect for those with sensitive stomaches, and great for those who are deficient in vitamin D. 100% Natural Ingredients. Vegetarian & Vegan FriendlyWith  KLXVUYUN D3 + Immune Booster Patches, it's simple for you to get all the Active Vitamin D3 you need, without having to think about it.Just place a  KLXVUYUN D3+ Patch on your arm, thigh, or back for 24 hours once every 7 days as desired.No more forgetting to take pills; get your full dose with  KLXVUYUN D3+ that offer you Active D3 in a convenient wearable patch.The D3 in these patches is derived from sunflowers, which some people may be allergic to. If you feel an allergic reaction, as noted on the packet, please stop using immediately. Please do not use if pregnant or breastfeeding. Please follow instructions on the packet.Causes of Vitamin D3 Deficiency:A need to stay indoors and inadequate exposure to sunlightInefficient production in the skin,Not enough vitamin D in your diet,Health conditions gastrointestinal disorders, renal diseases, and liver diseases:

* overgrowth in the small intestine or even parasites;

* Other chronic diseases, such as Fibromyalgia or M.E or IBD;

* Weight Loss Specific Surgery such as gastric bypass;

* Vegetarian or Vegan Diets.