May one take vitamin supplements, containing stem cells extracted from a sheep fetus, assuming these supplements are not crucial to your survival?
Vitamin supplements need a Kashrut supervision. Regarding Gelatin there is a Machloket. The Chief Rabbinute of Israel does not allow Gelatin. There are Rabbis who are Meikel. Rabbi Binyamin Bamberger You can check further answers at: //www.yeshiva.org.il/ask/eng/?srch=1&filter=&orderby=-1&q=gelatin&cat=1