Lemlift Immune Support Effervescent Tablets Orange Lemlift Immune Support Chewable Tablets Lemon. Vitamin C & Zinc each helps to support the normal function of the immune system. Berocca Effervescent is a food supplement which contains all 8 B vitamins *vitamins B1 & B2 work with your body to naturally release energy from your food. Pukka Tea is not a medicine.