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.
All the B vitamins, including vitamins B6 and B12, are important for the metabolism of carbohydrates, proteins and fats. Minerals such as magnesium are also important in energy metabolism. Foods high in B vitamins and magnesium include spinach, broccoli, beans, oats, fish, poultry and eggs.eart Health. Essential vitamins from your daily nutrition are also needed to prevent heart disease. Nutrients such as vitamins A, C, and E as well as beta carotene have antioxidant properties that help reduce inflammation, which may reduce the risk of heart disease.