سعر اسكوربيك اسيد نقط بالفم 15 مل 2025

Ascorbic acid (vitamin C) oral drops, 15 ml bottle, listed under Atlas Pharmaceutical (Egypt); the concentration is not stated by the sources seen.

• High doses of vitamin C can cause diarrhoea, nausea, abdominal cramps and other gastrointestinal disturbances (osmotic effect of unabsorbed vitamin C); the adult Tolerable Upper Intake Level is 2,000 mg/day from all sources.General active-ingredient information · NIH Office of Dietary Supplements (ODS)
• High vitamin C intakes may increase urinary oxalate and uric acid excretion, which could contribute to kidney stone formation, especially in people with renal disorders (evidence conflicting).General active-ingredient information · NIH Office of Dietary Supplements (ODS)

• Chemotherapy and radiation therapyThe safety of antioxidant supplements such as vitamin C during chemotherapy or radiotherapy is controversial; patients should consult their oncologist before taking vitamin C, especially in high doses.NIH Office of Dietary Supplements (ODS)
• Statins (niacin/simvastatin combination)Vitamin C combined with other antioxidants may attenuate the rise in HDL cholesterol produced by combined niacin and simvastatin therapy.NIH Office of Dietary Supplements (ODS)

• NIH ODS applies the same vitamin C Tolerable Upper Intake Levels during pregnancy and lactation: 1,800 mg/day at 14-18 years and 2,000 mg/day at 19 years and older (total intake).General active-ingredient information · NIH Office of Dietary Supplements (ODS)
• For breastfeeding women, the vitamin C upper limit is 1,800 mg/day (14-18 years) and 2,000 mg/day (19 years and older) from all sources.General active-ingredient information · NIH Office of Dietary Supplements (ODS)

• Vitamin C (ascorbic acid): Cofactor for collagen synthesis and other enzymatic reactions; acts as an antioxidant and enhances non-haem iron absorption.