Amazon.sg:Customer reviews: IMMUNITYAID Wellness Blend, With Echinacea, Zinc, Astragalus and Vitamin C, Only 45 Calories, 100% Clean, Vegan and Gluten-Free, No Artificial Flavors, Sodium or Caffeine, 12-oz. cans (Pack of 4)
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I drink this IMMUNITYAID after 6hours start bleeding very hard from my stomach, I do have ulcer in my stomach, I'm not sure if this IMMUNITYAID cause more damage into my stomach or not. Avoid it if you have Ulcer