Health food supplements are one of the hottest selling products in the market these days. Their total consumption values billions of dollars in the U.S. alone. Recent surveys show that more than half of the adults in the U.S. consume health food supplements in different forms, such as tablets, capsules, powders, soft gels, gel caps and liquids.
The increased consumption of health food supplements can be attributed to public awareness of health issues and improved standard of living in our society. Many studies have shown that there is a close correlation between health and nutrition. Insufficient supply of nutrients can weaken our body defense mechanism, causing medical problems from common ailments to more severe illnesses in the long term.
There are different types of health food supplements, including macronutrients (amino acids, proteins, essential fatty acids), micronutrients (vitamins and minerals), enzymes (digestive enzymes and antioxidant enzymes), probiotics (beneficial bacteria in the gut), and herbal supplements. These supplements have unique functions in our body. They are either essential for life and good health, modulate our immune system or help...