A vitamin is an organic molecule (or a set of molecules closely related chemically, i.e. vitamers) that is an essential micronutrient that an organism needs in small quantities for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient quantities, and therefore must be obtained through the diet. Vitamin C can be synthesized by some species but not by others; it is not a vitamin in the first instance but is in the second. The term vitamin does not include the three other groups of essential nutrients: minerals, essential fatty acids, and essential amino acids. Most vitamins are not single molecules, but groups of related molecules called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. Some sources list fourteen vitamins, by including choline, but major health organizations list thirteen: vitamin A (as all-trans-retinol, all-trans-retinyl-esters, as well as all-trans-beta-carotene and other provitamin A carotenoids), vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), vitamin B7 (biotin), vitamin B9 (folic acid or folate), vitamin B12 (cobalamins), vitamin C (ascorbic acid), vitamin D (calciferols), vitamin E (tocopherols and tocotrienols), and vitamin K (phylloquinone and menaquinones).Vitamins have diverse biochemical functions. Vitamin A acts as a regulator of cell and tissue growth and differentiation. Vitamin D provides a hormone-like function, regulating mineral metabolism for bones and other organs. The B complex vitamins function as enzyme cofactors (coenzymes) or the precursors for them. Vitamins C and E function as antioxidants. Both deficient and excess intake of a vitamin can potentially cause clinically significant illness, although excess intake of water-soluble vitamins is less likely to do so.
All vitamins were discovered (identified) between 1913 and 1948. Historically, when intake of vitamins from diet was lacking, the results were vitamin deficiency diseases. Then, starting in 1935, commercially produced tablets of yeast-extract vitamin B complex and semi-synthetic vitamin C became available. This was followed in the 1950s by the mass production and marketing of vitamin supplements, including multivitamins, to prevent vitamin deficiencies in the general population. Governments have mandated the addition of some vitamins to staple foods such as flour or milk, referred to as food fortification, to prevent deficiencies. Recommendations for folic acid supplementation during *******cy reduced risk of infant neural tube defects.
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Is there vitamins for kids that will make them sleepy ? ?
I have a teen son and we are having difficulty making him sleep.
we increased the screentime and some activities during noon but he still has a hard time going to sleep
Anong masasuggest nyong vitamins na pupwede for the brain bukod sa mga gulay? I mean food supplements kasi sa sobrang stress always akong namemental block need ko ng peace of mind and makakafocus, also yung pupwede sana sa may adhd. Salamat sa sasagod malaking tulong po iyon.
Share ko lang simple knowledge at meron na siguro nakakaalam nito. Kapag lagi kayong stressed lalo na pagdating sa work, walang motivation, laging nanghihina, hirap makafocus at nanlalabo ang paningin, pati na rin kung may depression at anxiety ang kelangan mo na vitamins ay B-Complex. Alala...
Hi mga ka PHC,
May ma rerecommended ba kayong kahit anong vitamins or vitamins C na pampaboost ng immune system, sakitin kasi ako eh naway pansinin niyo ang aking thread.
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off topic po mga kaPh, actually for 1 year nah kumukha ako nang kaalaman dito sa phc ay marami akong natutunan na mga libre lalo na sa freenet at nagagamit ko ito pag madaling araw na dahil sa umaga lang malakas ang Globe samin. hehe.. ang dilemma lang po sa akin ay napabayaan ko na...
Hello Ask ko po kung may pwedeng may alternate na vitamins or supplement sa Ling zhi, actually ginagamit ko siya ngayon, super effective siya, tumataba at nagkakalaman na ako, mga 3 months ko na siya nagagamit kaso nagkakatigyawat ako pero di naman siya siguro malaking problema, siguro dahil...
mga sir tanong ko lang sana kung ang Iron supplements ba like propan with iron is factor para tumaas ang bp?nabasa ko kasi to. Iron is a very important mineral. Red blood cells in the body contain hemoglobin, a protein that transports oxygen to the cells. Myoglobin performs a similar function...
Pa suggest naman ho ng food supplements or multivitamins na nkakapampataba talaga yung effective. any suggest would be appreciated . gusto ko kc maging fit kelangan sa kurso ko . SALAMAT .
meron pong nag bigay sakin ng vitamins na Ling Zhi vitamins , sino po dito ang naka take na at nakagamit ano po nngyari sa inyo ???effective po ba ???salamat po .. need information lang po sa vitamins na to kasi balak na akong mag regular na mag take nito
Since i was in grade 4, payat na po talaga ako. Hindi naman yung sobrang payat. Pero ngayong highschool na ako, mas pumayat ako dahil sa pagtangkad ko. Tumangkad po talaga ako as in. Mula 4 flat dati, ngayon 5'6 na ako. Need ko po ng advice or pwede po matulungan nyo ako kung ano ang gagawin ko...