Люда, какой выбрать ... вот это правильный витамин С
https://www.amazon.com/Natural-Vitality-Calcium-Supplement-Ounce/dp/B0019QT66I/ref=sr_1_1_a_it?ie=UTF8&qid=1485455762&sr=8-1&keywords=Natural%2BCalm%2BMagnesium%2BPlus%2BCalcium%2C%2BOriginal&th=1
или LorAnn Ascorbic Acid (Vitamin C)
https://www.amazon.com/dp/B004I414X6/ref=wl_it_dp_o_pC_S_ttl?_encoding=UTF8&colid=12165XNCF53FE&coliid=I207VFL0ZGUN0A
RE: Mini Zojirushi Bread Machine. Basic White Bread from American all purpose flour