b'\n_START_ARTICLE_\nB2 vitam\xc4\xabns\n_START_PARAGRAPH_\nB\xe2\x82\x82 vitam\xc4\xabns (riboflav\xc4\xabns) ir vitam\xc4\xabns, kas ietilpst fermentu sist\xc4\x93m\xc4\x81s, kas nodro\xc5\xa1ina audu elpo\xc5\xa1anu, piedal\xc4\x81s og\xc4\xbchidr\xc4\x81tu un olbaltumvielu mai\xc5\x86\xc4\x81.\n_START_SECTION_\nAvitaminoze\n_START_PARAGRAPH_\nB\xe2\x82\x82 avitaminoze cilv\xc4\x93kam sastopama \xc4\x81rk\xc4\x81rt\xc4\xabgi reti, jo zin\xc4\x81mu daudzumu \xc5\xa1\xc4\x81 vitam\xc4\xabna regul\xc4\x81ri ra\xc5\xbeo zarnu mikroorganismi.\n_START_SECTION_\nHipervitaminoze\n_START_PARAGRAPH_\nB\xe2\x82\x82 hipervitaminozes gad\xc4\xabjum\xc4\x81 rodas \xc4\x81das un g\xc4\xbcot\xc4\x81das iekaisumi, pav\xc4\x81jin\xc4\x81s redze un asins formelementu veido\xc5\xa1an\xc4\x81s.\n_START_SECTION_\nAvoti\n_START_PARAGRAPH_\nNoz\xc4\xabm\xc4\xabg\xc4\x81kie B\xe2\x82\x82 vitam\xc4\xabna avoti uztur\xc4\x81 ir sausais alus raugs 4%, olas 0,8%, biezpiens 0,5%, siers 0,4-0,5%, rudzu maize 0,31%, ga\xc4\xbca un zivis 0,1-0,3%, gri\xc4\xb7u putraimi 0,24%, pilnpiens 0,19%, auzu putraimi 0,14%, kvie\xc5\xa1u maize 0,07%, k\xc4\x81posti 0,05% un kartupe\xc4\xbci 0,05%. Dienas deva 2-3 mg.'