Natures Way Mega B

Vitamin C (Ascorbic Acid):

• Pharmacological action
• Pharmacokinetics
• Why is Natures Way Mega B ) prescribed?
• Dosage and administration
• Natures Way Mega B (Vitamin C (Ascorbic Acid)) side effects, adverse reactions
• Natures Way Mega B ) contraindications
• Using during pregnancy and breastfeeding
• Special instructions
• Natures Way Mega B ) drug interactions
• Natures Way Mega B ) in case of emergency / overdose
• Natures Way Mega B (Vitamin C (Ascorbic Acid)) reviews

Pharmacological action

Natures Way Mega B ) (vitamin c) is essential for the formation of intracellular collagen, is required to strengthen the structure of teeth, bones, and the capillary walls. Natures Way Mega B (Vitamin C (Ascorbic Acid)) participates in redox reactions, the metabolism of tyrosine, converting folic acid into folinic acid, metabolism of carbohydrates, the synthesis of lipids and proteins, iron metabolism, processes of cellular respiration. Reduces the need for vitamins B1, B2, A, E, folic acid, pantothenic acid, enhances the body's resistance to infections; enhances iron absorption, contributing to its sequestration in reduced form. Natures Way Mega B (Vitamin C (Ascorbic Acid)) has antioxidant properties.

With intravaginal application of Natures Way Mega B (Vitamin C (Ascorbic Acid)) lowers the vaginal pH, inhibiting the growth of bacteria and helps to restore and maintain normal pH and vaginal flora (Lactobacillus acidophilus, Lactobacillus gasseri).

Pharmacokinetics

After oral administration Natures Way Mega B (Vitamin C (Ascorbic Acid)) is completely absorbed from the gastrointestinal tract. Widely distributed in body tissues.

The concentration of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in blood plasma in normal amounts to approximately 10-20 mg / ml.

The concentration of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in white blood cells and platelets is higher than in erythrocytes and plasma. When deficient state of concentration in leucocytes is reduced later and more slowly and is regarded as the best criterion for evaluating the deficit than the concentration in plasma.

Plasma protein binding is about 25%.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) is reversibly oxidized to form dehydroascorbic acid, is metabolized with the formation of ascorbate-2-sulphate which is inactive and oxalic acid which is excreted in the urine.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) taken in excessive quantities is rapidly excreted unchanged in urine, it usually happens when exceeding a daily dose is 200 mg.

Why is Natures Way Mega B ) prescribed?

For systemic use of Natures Way Mega B (Vitamin C (Ascorbic Acid)) RiteMED Phils: prevention and treatment of hypo- and avitaminosis of vitamin C; providing increased need for vitamin C during growth, pregnancy, lactation, with heavy loads, fatigue and during recovery after prolonged severe illness; in winter with an increased risk of infectious diseases.

For intravaginal use: chronic or recurrent vaginitis (bacterial vaginosis, nonspecific vaginitis) caused by the anaerobic flora (due to changes in pH of the vagina) in order to normalize disturbed vaginal microflora.

Dosage and administration

This medication administered orally, IM, IV, intravaginally.

For the prevention of deficiency conditions Natures Way Mega B ) dose is 25-75 mg / day, for the treatment - 250 mg / day or more in divided doses.

For intravaginal used Natures Way Mega B (Vitamin C (Ascorbic Acid)) drugs in appropriate dosage forms.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) side effects, adverse reactions

CNS: headache, fatigue, insomnia.

Digestive system: stomach cramps, nausea and vomiting.

Allergic reaction: describes a few cases of skin reactions and manifestations of the respiratory system.

Urinary system: when used in high doses - hyperoxaluria and the formation of kidney stones of calcium oxalate.

Local reactions: with intravaginal application - a burning or itching in the vagina, increased mucous discharge, redness, swelling of the vulva. Other: sensation of heat.

Natures Way Mega B ) contraindications

Increased sensitivity to Natures Way Mega B (Vitamin C (Ascorbic Acid)).

Using during pregnancy and breastfeeding

The minimum daily requirement of Natures Way Mega B ) in the II and III trimester of pregnancy is about 60 mg.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) crosses the placental barrier. It should be borne in mind that the fetus can adapt to high doses of Natures Way Mega B (Vitamin C (Ascorbic Acid)), which takes a pregnant woman, and then a newborn baby may develop the ascorbic disease as the reaction of cancel. Therefore, during pregnancy should not to take Natures Way Mega B (Vitamin C (Ascorbic Acid)) in high doses, except in cases where the expected benefit outweighs the potential risk.

The minimum daily requirement during lactation (breastfeeding) is 80 mg. Natures Way Mega B (Vitamin C (Ascorbic Acid)) is excreted in breast milk. A mother's diet that contains adequate amounts of Natures Way Mega B (Vitamin C (Ascorbic Acid)), is sufficient to prevent deficiency in an infant. It is unknown whether dangerous to the child's mother use of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in high doses. Theoretically it is possible. Therefore, it is recommended not to exceed the maximum daily nursing mother needs to Natures Way Mega B (Vitamin C (Ascorbic Acid)), except when the expected benefit outweighs the potential risk.

Special instructions

Natures Way Mega B (Vitamin C (Ascorbic Acid)) is used with caution in patients with hyperoxaluria, renal impairment, a history of instructions on urolithiasis. Because Natures Way Mega B (Vitamin C (Ascorbic Acid)) increases iron absorption, its use in high doses can be dangerous in patients with hemochromatosis, thalassemia, polycythemia, leukemia, and sideroblastic anemia.

Patients with high content body iron should apply Natures Way Mega B (Vitamin C (Ascorbic Acid)) in minimal doses.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) is used with caution in patients with deficiency of glucose-6-phosphate dehydrogenase.

The use of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in high doses can cause exacerbation of sickle cell anemia.

Data on the diabetogenic action of Natures Way Mega B (Vitamin C (Ascorbic Acid)) are contradictory. However, prolonged use of Natures Way Mega B (Vitamin C (Ascorbic Acid)) should periodically monitor your blood glucose levels.

It is believed that the use of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in patients with rapidly proliferating and widely disseminated tumors may worsen during the process. It should therefore be used with caution in Natures Way Mega B (Vitamin C (Ascorbic Acid)) in patients with advanced cancer.

Absorption of Natures Way Mega B (Vitamin C (Ascorbic Acid)) decreased while use of fresh fruit or vegetable juices, alkaline drinking.

Natures Way Mega B ) drug interactions

In an application with barbiturates, primidone increases the excretion of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in the urine.

With the simultaneous use of oral contraceptives reduces the concentration of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in blood plasma.

In an application of Natures Way Mega B (Vitamin C (Ascorbic Acid)) with iron preparations Natures Way Mega B (Vitamin C (Ascorbic Acid)), due to its regenerative properties, transforms ferric iron in the bivalent, which improves its absorption.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) in high doses can decrease urine pH that while the application reduces the tubular reabsorption of amphetamine and tricyclic antidepressants.

With the simultaneous use of aspirin reduces the absorption of Natures Way Mega B (Vitamin C (Ascorbic Acid)) by about a third.

Natures Way Mega B (Vitamin C (Ascorbic Acid)) in an application with warfarin may decrease effects of warfarin.

With the simultaneous application of Natures Way Mega B (Vitamin C (Ascorbic Acid)) increases the excretion of iron in patients receiving deferoxamine. In the application of Natures Way Mega B (Vitamin C (Ascorbic Acid)) at a dose of 500 mg / day possibly left ventricular dysfunction.

In an application with tetracycline is increased excretion of Natures Way Mega B (Vitamin C (Ascorbic Acid)) in the urine.

There is a described case of reducing the concentration of fluphenazine in plasma in patients treated with Natures Way Mega B (Vitamin C (Ascorbic Acid)) 500 mg 2 times / day.

May increase the concentration of ethinyl estradiol in the blood plasma in its simultaneous application in the oral contraceptives.

Natures Way Mega B ) in case of emergency / overdose

Symptoms: long-term use of large doses (more than 1 g) - headache, increased CNS excitability, insomnia, nausea, vomiting, diarrhea, gastritis giperatsidnyh, ultseratsiya gastrointestinal mucosa, inhibition of the function insular apparatus of the pancreas (hyperglycemia, glycosuria), hyperoxaluria, nephrolithiasis (calcium oxalate), damage to the glomerular apparatus of the kidneys, moderate thamuria (when receiving a dose of 600 mg / day).

Decrease capillary permeability (possibly deteriorating trophic tissues, increased blood pressure, hypercoagulability, the development of microangiopathy).

When IV administration in high doses - the threat of termination of pregnancy (due to estrogenemia), hemolysis of red blood cells.