Bitamin yanzu yana zuwa ta hanyoyi daban-daban, ciki har da abubuwan sha, allunan magani, da feshi, kuma galibi ana yin su ne ga takamaiman ƙungiyoyin mutane, ciki har da mata masu juna biyu, sama da shekaru 70, da matasa. Gummies masu ɗanɗanon 'ya'yan itace hanya ce mai kyau ta sa yara su sha bitamin na yau da kullun ba tare da yin gunaguni ba.

A sha bitamin C da D, zinc da selenium don tallafawa garkuwar jiki ta halitta, pantothenic acid da magnesium don lafiyar kwakwalwa, da kuma muhimman bitamin B don yaƙar gajiya. Da yawa suna samar da sama da kashi 100% na ƙimar yau da kullun na NRV, kodayake kashi 37.5% ne kawai na bitamin C, don haka yana da daraja a ƙara yawan shan 'ya'yan itatuwa citrus, tumatir, da kayan lambu masu giciye don tabbatar da cewa kuna samun duk abin da kuke buƙata. Akwai kuma wasu sinadarai masu ban mamaki, gami da chaga mai ƙarfi, wanda ke ba da tallafin antioxidant.

Bitamin wasu ƙananan ƙwayoyin halitta ne da ake buƙata don abinci mai gina jiki da girma na ɗan adam da dabbobi. Suna taka muhimmiyar rawa a cikin metabolism, girma, ci gaba da lafiyar jiki. Idan ba ku da wani bitamin na dogon lokaci, zai haifar da rashin aiki a jiki da wasu cututtuka. Yawanci ana samunsa ne daga abinci. A halin yanzu, akwai da yawa da ake samu, kamar bitamin A, bitamin B, bitamin C da sauransu.

Bitamin muhimman sinadarai ne na halitta a cikin metabolism na ɗan adam. Jikin ɗan adam yana kama da wani sinadari mai rikitarwa, wanda ke ci gaba da gudanar da ayyuka daban-daban na biochemical. Amsar tana da alaƙa da catalysis na enzyme. Domin enzyme ya yi aiki, dole ne a haɗa coenzyme. An san cewa yawancin bitamin coenzymes ne ko ƙwayoyin enzymes. Saboda haka, bitamin abubuwa ne masu mahimmanci don kiyayewa da daidaita metabolism na jiki. A bayyane yake cewa mafi kyawun bitamin ana samun su a cikin kyallen jiki a cikin nau'in "abubuwan bioactive".

Wani fa'idar bitamin ga jikin ɗan adam shine cewa suna iya taimakawa wajen gudanar da ci gaban ɗan adam yadda ya kamata, musamman ga matasa, bitamin suna ɗaya daga cikin muhimman abubuwan gina jiki a cikin tsarin girma. Misali, bitamin D zai iya daidaita metabolism na wasu abubuwan da ke cikin jikin ɗan adam, yana haɓaka shan calcium a cikin jikin ɗan adam, yana kula da lafiyar ƙashi, da kuma kiyaye matakin phosphorus a cikin jini da matakin calcium a cikin jini a cikin jikin ɗan adam.