The Ren-Yi range of vitamins and minerals is extensive. Most are supplied in monthly units. Popular products are shipped in quantities suitable for two months usage where applicable. All products are compehensively labelled to include ingredients, contra-indications, recommended intake and possible drug interactions where this information exists.

The Ren-Yi range of herbs is totally vegetarian friendly, manufactured to the highest standards and contains only pure powdered plant material carried in a vegetable cellulose shell where applicable. They are formulated to the exact milligram strength to ensure maximum safety, whilst delivering a controlled intake on a daily basis. All packs contain sufficient product for one month's program.