Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium Pharmacology

Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

About Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Mechanism of Action of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Pharmacokinets of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Onset of Action for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Duration of Action for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Half Life of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Side Effects of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Contra-indications of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Special Precautions while taking Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Pregnancy Related Information

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Old Age Related Information

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Breast Feeding Related Information

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Children Related Information

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Indications for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Interactions for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Typical Dosage for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Schedule of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Storage Requirements for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Effects of Missed Dosage of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Effects of Overdose of Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium

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Vitamin E

About Vitamin E

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Mechanism of Action of Vitamin E

Vitamin E acts as an antioxidant and protecting unsaturated lipids in the cell membrane, coenzyme Q, vitamin A, vitamin C etc. from free radical oxidation damage and generation of toxic peroxidation products. It also decreases platelet aggregation.

Pharmacokinets of Vitamin E

Absorption: Absorbed through lymph with the help of bile. Only 20 to 60% of vitamin from dietary sources is absorbed. As dose increases the fraction absorbed decreases.
Distribution: Widely distributed in a protein bound form and stored in adipose tissue.
Metabolism: Metabolized in liver by glucuronide conjugation.
Excretion: Excreted mainly through bile and also excreted through urine.

Onset of Action for Vitamin E

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Duration of Action for Vitamin E

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Half Life of Vitamin E

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Side Effects of Vitamin E

1. Fatigue
2. Weakness
3. Headache
4. Nausea
5. Diarrhoea
6. Blurred vision
7. Flatulence

Contra-indications of Vitamin E

1. Hypersensitivity to the drug
2. Should not administer intravenously

Special Precautions while taking Vitamin E

1. Hepatic impairment
2. Gall bladder disease
3. Along with estrogens

Pregnancy Related Information

May be used

Old Age Related Information

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Breast Feeding Related Information

May be used

Children Related Information

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Indications for Vitamin E

1. Vitamin E deficiency
2. Intermittent claudication
3. Nocturnal muscle cramps
4. Coronary artery disease
5. Fibrocystic breast disease
6. Cystic fibrosis
7. In premature infants exposed to high concentration of oxygen
8. As antioxidant

Interactions for Vitamin E

Oral anticoagulants : Hypoprothrombinemic effect may be increased with possibility of bleeding.

Typical Dosage for Vitamin E

Oral:
Vitamin E deficiency:
Adults: 40 to 50mg/day or 60 to 75i.u. daily based on the severity of deficiency.
Children: 1 unit/kg/day.
Premature neonates: 5units daily.
Full term neonates: 5 units per liter of formula.
Intermittent claudication: 400mg/day for 12 to 18 weeks.
Nocturnal muscle cramps: 400mg/day for 8 to 12 weeks.
Coronary artery disease: 100 to 200mg/day for at least 2 years.
Fibrocystic breast disease: 600mg/day for at least 2years.
Cystic fibrosis: 100 to 200mg/day.
Children above 1 year: 100mg/day.
Children below 1year: 50mg/day.

Schedule of Vitamin E

Storage Requirements for Vitamin E

Store in a well closed container in a cool dry place. Protect from light.

Effects of Missed Dosage of Vitamin E

Take the missed dose as soon as noticed and if it is the time for next dose then skip the missed dose. Continue the regular schedule. Do not double the dose.

Effects of Overdose of Vitamin E

Provide supportive measures and symptomatic treatment.

Vitamin C

About Vitamin C

Water soluble vitamin, antioxidant.

Mechanism of Action of Vitamin C

Vitamin C exerts it`s action by influencing the biologic oxidations and reductions used in cellular respirations. It directly stimulates collagen synthesis and maintains intracellular connective tissue. It involves in various metabolic reactions such as 1).Hydroxylation of praline and lysine residues of protocollagen which is essential for formation and stabilization of collagen triple helix, 2).hydroxylation of carnitine, 3).Conversion of folic acid to folinic acid, 4).biosynthesis of adrenal steroids, catecholamines, oxytocin, and ADH, 5).Metabolism of cyclic nucleotides and prostaglandins. Vitamin C is important in resistance to infections.

Pharmacokinets of Vitamin C

Absorption: Well absorbed orally.
Distribution: Widely distributed both extracellularly and intracellularly, It crosses the placenta and also distributed in to the breast milk.
Metabolism: Metabolized in the liver; partly oxidized in to active dehydroascorbic acid and inactive metabolites.
Excretion: Inactive metabolites and extra drug is excreted through urine.

Onset of Action for Vitamin C

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Duration of Action for Vitamin C

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Half Life of Vitamin C

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Side Effects of Vitamin C

1. Discomfort at injection site
2. Acid urine
3. Renal calculi
4. Oxaluria

Contra-indications of Vitamin C

No known contraindications

Special Precautions while taking Vitamin C

1. Renal impairment
2. Ingestion of large doses during pregnancy has resulted in scurvy in neonates

Pregnancy Related Information

Use with caution

Old Age Related Information

Use with caution

Breast Feeding Related Information

Use with caution

Children Related Information

May be used

Indications for Vitamin C

1. Scurvy
2. Prophylaxis and treatment of vitamin C deficiency
3. As an antioxidant to maintain natural colour and flavour of food items
4. For acidification of urine
5. Capillary fragility
6. Dental caries

Interactions for Vitamin C

Oral contraceptives and estrogens: Vitamin C increases serum levels of oestrogen resulting in adverse reactions .
Warfarin: The anticoagulant effects of warfarin is reduced.
Lab Tests: Large doses (>500 mg) of vitamin C may cause false negative urine glucose determinations. May result in false negative amine dependent stool occult blood tests.

Typical Dosage for Vitamin C

Oral:
Adults: 50 to 1000mg/day depending up on the requirement.
Pregnancy and lactation: 100 to 150mg/day
Children: 30 to 100mg/day.
Scurvy:
Oral:
Adults: 1000mg twice daily to thrice daily.
Children: 300mg to 1000mg daily.
Sub clinical scurvy:
Oral, S.C., I.M., or I.V.: 100 to 250mg once daily or twice daily depending up on the severity of the condition. Then give a maintenance dosage of 50mg/day.
Children: 100 to 300mg depending up on the severity. Then give a maintenance dose of 35mg/day.

Schedule of Vitamin C

C1 (Oral)
C (Parenteral)

Storage Requirements for Vitamin C

Store in a cool dry area in a well closed container. Protects from moisture, light and direct heat.

Effects of Missed Dosage of Vitamin C

Take the missed dose as soon as noticed and if it is the time for next dose then skip the missed dose. Continue the regular schedule. Do not double the dose.

Effects of Overdose of Vitamin C

Discontinue the therapy and provide symptomatic and supportive measures.

Alpha-Lipoic acid

About Alpha-Lipoic acid

Naturally occurring dithiol compound , antioxidant, Agent for neuropathies.

Mechanism of Action of Alpha-Lipoic acid

Alpha-lipoic acid and its reduced metabolite, Dihydrolipoic acid (DHLA), form a redox couple and may scavenge a wide range of reactive oxygen species. Alpha-lipoic acid has been found to decrease urinary isoprostanes, O-LDL and plasma protein carbonyls, markers of oxidative stress. Further, alpha-lipoic acid and its redox couple DHLA have been found to have antioxidant activity in aqueous, as well as in lipophilic regions, and in extra cellular and intracellular environments. Alpha-lipoic acid participates in the recycling of other important biologic antioxidants, such as vitamins E and C, Ubiquinone and glutathione.
Both alpha-lipoic acid and DHLA can scavenge hydroxyl radicals, the nitric oxide radical, peroxynitrite, hydrogen peroxide and hypochlorite. Alpha-lipoic acid may scavenge singlet oxygen, and DHLA may scavenge super oxide and peroxyl reactive oxygen species.

Pharmacokinets of Alpha-Lipoic acid

Absorption: Alpha-lipoic acid is absorbed from the small intestine. The natural R-entantiomer is more readily absorbed than the L-entantiomer and is the more active form.
Distribution:It is distributed to the liver via the portal circulation and to various tissues in the body via the systemic circulation. . Alpha-lipoic acid readily crosses the blood-brain barrier. It is found, after its distribution to the various body tissues, intracellularly, intramitochondrialy and extracellularly.Metabolism: Alpha-lipoic acid is metabolized to its reduced form, dihydrolipoic acid (DHLA), by mitochondrial lipoamide dehydrogenase enzyme. DHLA, together with lipoic acid, form a redox couple. It is also metabolized to lipoamide, which functions as the lipoic acid cofactor in the multienzyme complexes that catalyze the oxidative decarboxylations of pyruvate and alpha-ketoglutarate. Alpha-lipoic acid may be metabolized to dithiol octanoic acid, which can undergo catabolism.

Onset of Action for Alpha-Lipoic acid

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Duration of Action for Alpha-Lipoic acid

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Half Life of Alpha-Lipoic acid

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Side Effects of Alpha-Lipoic acid

1.Nausea
2.Vomiting

Contra-indications of Alpha-Lipoic acid

1.Contraindicated during radiotherapy

Special Precautions while taking Alpha-Lipoic acid

Patient with diabetes and problems with glucose intolerance

Pregnancy Related Information

Use with caution

Old Age Related Information

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Breast Feeding Related Information

Use with caution

Children Related Information

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Indications for Alpha-Lipoic acid

1.Diabetic neuropathy
2.It may help prevent the oxidation of LDL cholesterol and may be protective, generally, against oxidative stress and, specifically, against atherosclerosis, ischemia-reperfusion injury and various radiologic and chemical toxins.
3.It may also be useful in some inborn metabolic disorders

Interactions for Alpha-Lipoic acid

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Typical Dosage for Alpha-Lipoic acid

Adult: up to 600 milligrams daily
Diabetic neuropathy: 300 milligrams daily taken in divided doses.

Schedule of Alpha-Lipoic acid

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Storage Requirements for Alpha-Lipoic acid

Store at room temperature away from moisture and heat.Keep out of the reach of children. Keep the medicine from freezing. Do not refrigerate.

Effects of Missed Dosage of Alpha-Lipoic acid

Take the missed dose as soon as noticed and if it is the time for next dose then skip the missed dose.Continue the regular schedule.Do not double the dose.

Effects of Overdose of Alpha-Lipoic acid

Give supportive measures and symptomatic treatment.

Selenium

About Selenium

A vital antioxidant, selenium acts with vitamin E to protect the immune system and maintain healthy heart function. It is needed for pancreatic function and tissue elasticity and has been shown to protect against radiation and toxic minerals. High levels of heart disease are associated with selenium-deficient soil in Finland and a tendency to fibrotic heart lesions is associated with selenium deficiency in parts of China. Best sources are butter, Brazil nuts, seafood and grains grown in selenium-rich soil.

Mechanism of Action of Selenium

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Pharmacokinets of Selenium

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Onset of Action for Selenium

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Duration of Action for Selenium

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Half Life of Selenium

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Side Effects of Selenium

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Contra-indications of Selenium

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Special Precautions while taking Selenium

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Pregnancy Related Information

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Old Age Related Information

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Breast Feeding Related Information

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Children Related Information

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Indications for Selenium

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Interactions for Selenium

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Typical Dosage for Selenium

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Schedule of Selenium

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Storage Requirements for Selenium

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Effects of Missed Dosage of Selenium

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Effects of Overdose of Selenium

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Home Delivery for Vitamin E + Vitamin C + Alpha-lipoic acid + Selenium in Your City

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