ISI Brands, Grand Rapids, MI, has launched Metabolife Green Tea + Vitamin D3. The new product, an extension of the stage-one product portfolio, builds on the already existing Metabolife Green Tea formula, by including vitamin D3 to promote calcium absorption for healthy bone development. Plant and fruit antioxidants, acai, bilberry and resveratrol have also been added to rejuvenate the body and provide additional wellness support.