Kappa Nutrition's Immune C Plus is a 12 in 1 Immune Support supplement that includes Quercetin (1,000mg), Vitamin C (1,000mg), Zinc (50mg), Vitamin D3 (5,000iu), Selenium, Copper, Acerola, Ginger, Rutin, Bitter Orange, Rose Hips, and Echinacea. According to the FAQ, the Quercetin extract used is 98% potent, equivalent to 1,000mg of dry Quercetin ingredient per serving. The supplement is 3rd party tested and verified, soy-free, and contains no carbs. Additionally, the capsule is vegan-compliant. One jar contains 60 capsules, with a typical-sized capsule, and it is recommended to take two a day. The label does not indicate any shellfish products. The vitamin D3 in this supplement does not have K2, and if one needs vitamin D3 for promoting calcium absorption with K2, it is advised to use their Mineral Complex product. The supplement is produced in Texas.
The product has received mixed reviews. While some found it helpful in boosting their immune system and reducing the number of pills taken daily, others experienced side effects such as upset stomach and vomiting. Some customers did not feel any difference despite taking it Consistently for a month. One customer had health issues they attributed to taking the supplement. However, many customers seem satisfied and have repurchased the product, citing its effectiveness in warding off colds and flu.