Joint bundling is a subcategory of pure bundling in which the two products are offered together for one bundled price; Leader bundling is a subcategory of pure bundling in which a leader product is offered for discount if purchased with a non-leader product, accessory or other item.
Vitamin B Helps Your Metabolism. You should balance your vitamin supplements to match your needs. A multi-vitamin is great, but if you are extremely fatigued all the time and don't get enough vitamin B in your diet, then adding vitamin B-12 will improve your flagging energy. B-complex vitamins provide you with: 1  Boosted metabolism. 2  Healthy skin.
Vitamin B5-Pantothenic acid Essential for metabolism of fats, carbohydrates and protein and to make fatty acids and cholesterol.Whole grains, legumes, brewerâs yeast, egg yolk, organ meats. Vitamin B6-Pyridoxine Essential for amino acid and carbohydrate metabolism. Helps the nervous system function properly. Aids in the production of red blood cells. Wheat bran, liver, walnuts, brown rice, sunflower seeds, mackerel, meat, salmon, tuna, banana, brewerâs yeast. Vitamin B12-Cobalamin Forms and generates red blood cells, needed for DNA synthesis, maintains a healthy nervous system.