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.
Vitamin B-9 also aids in the continual cell growth needed to give rise to new red blood cells, because it helps you metabolize proteins and DNA. A deficiency in either vitamin B-12 or vitamin B-9 can cause pernicious anemia, which can cause a rapid heart rate, weight loss, irritability and fatigue. Your diet should include 2.4 micrograms of vitamin B-12 and 400 micrograms of vitamin B-9 each day to prevent a deficiency.