In marketing, product bundling is offering several products or services for sale as one combined product or service package. It is a common feature in many imperfectly competitive product and service markets. Industries engaged in the practice include telecommunications services, financial services, health care, information and consumer electronics. A software bundle might include a word processor, spreadsheet, and presentation program into a single office suite. The cable television industry of
1 The research on diabetes and vitamin D and calcium supplements is not conclusive. 2  Supplementing with vitamin D combined with calcium appears to lower the risk of developing type 2 diabetes, according to a 2007 systematic review and meta-analysis.
1 Vitamin A and beta-carotene-necessary for night vision. 2  Vitamin B complex-the B complex vitamins may help prevent high homocysteine levels developing in the blood. 3  These are associated with vascular problems that affect the retina.4  Vitamin C-may reduce the risk of cataracts. Vitamin A and beta-carotene-necessary for night vision. 2  Vitamin B complex-the B complex vitamins may help prevent high homocysteine levels developing in the blood. 3  These are associated with vascular problems that affect the retina.