The document concludes that scientists created various steroids with different properties, including a more effective semi-synthetic vitamin D.
43 citations
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October 1955 in “The journal of nutrition/The Journal of nutrition” This study found that male germ-free rats fed semisynthetic diets do not grow as rapidly as their conventional counterparts and require dietary biotin for normal metabolism and folic acid biosynthesis.
9 citations
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January 2010 This study reports that a 100% herbal hair dye composed primarily of Cymphomandra betacea, Tagetes erecta, and Aloe vera gel provides permanent hair color without causing hair damage, loss, or skin irritation compared to synthetic dyes.
6 citations
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January 2009 in “Elsevier eBooks” This chapter discusses the structure and function of the skin, detailing its protective roles and the layers that comprise it, but reports no new research findings.
1 citations
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November 2022 in “World Family Medicine Journal /Middle East Journal of Family Medicine” This study found that while participants in Jeddah, Saudi Arabia, had good knowledge about Vitamin D and recognized sunlight as a key source, there was inconsistency in their attitudes towards maintaining adequate Vitamin D levels.