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Price of Niacin
Nicomide-t 4% cream
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Niacin volume of distribution
What is Niacin
A water-soluble vitamin of the B complex occurring in various animal and plant tissues. It is required by the body for the formation of coenzymes NAD and NADP. It has pellagra-curative, vasodilating, and antilipemic properties. (PubChem)
Niacin mechanism of action
Niacin binds to Nicotinate D-ribonucleotide phyrophsopate phosphoribosyltransferase, Nicotinic acid phosphoribosyltransferase, Nicotinate N-methyltransferase and the Niacin receptor. Niacin is the precursor to nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP), which are vital cofactors for dozens of enzymes. The mechanism by which niacin exerts its lipid lowering effects is not entirely understood, but may involve several actions, including a decrease in esterification of hepatic triglycerides. Niacin treatment also decreases the serum levels of apolipoprotein B-100 (apo B), the major protein component of the VLDL (very low-density lipoprotein) and LDL fractions.
Dosage forms of Niacin
|Tablet (immediate release); tablet (extended-release)||oral|
|Tablet, extended release||oral|
Acti-niacin Caplet 500mg
Acti Form Ltd.
Humans and other mammals
Indication of Niacin
For the treatment of type IV and V hyperlipidemia. It is indicated as ajunctive therapy.
Toxicity of Niacin
Nicotinic acid can cause vasodilation of cutaneous blood vessels resulting in increased blood flow, principally in the face, neck and chest. This produces the niacin- or nicotinic acid-flush. The niacin-flush is thought to be mediated via the prostaglandin prostacyclin. Histamine may also play a role in the niacin-flush. Flushing is the adverse reaction first observed after intake of a large dose of nicotinic acid, and the most bothersome one. LD sub50 /sub 7000 mg/kg (Rat)
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