Vitamin C works to prevent infections, decrease allergies, against free radicals by pollution. It also helps the body absorb the substance because of necessity as selenium, copper, zinc, manganese … Demand average 50-100 mg / day. Without vitamin C, the blood vessels less durable, easy bleeding root, reducing resistance.

However, the use of more than 500mg of vitamin C per day not good for health.

If used on 1.000mg/ngay you were gastrointestinal disturbances, causing diarrhea, stomach irritation, which is the excess iron, hemoglobin decreased endurance, decreased ability to kill bacteria by white blood cells, cystitis, inflammatory urinary tract by ascorbic acid.

If used on 2.000mg/ngay, vitamin C will cause insomnia, creating oxalate stones, inhibits insulin excretion, hypertension, renal damage due to increased synthesis and catecholamin corticoid.

Extra vitamin C also cause excess iron absorption; reduce the absorption of copper, nickel, making slow bone development, easily deformed. Pregnant woman can cause excess used for birth defects in children

Many members effervescent vitamin C content than 1000 mg vitamin C, 243 mg salt have formed the effervescent reaction. Do not use it for kidney failure, the salt diet (hypertension).

Some members sparkling category C contains more mineral component of calcium 500 mg, not used for kidney stone disease.

On the other hand, the use of vitamin C medications can often be the familiar, the user will not feel tired.

Therefore, should not take vitamin C is a tonic for unlimited, especially with children and pregnant women. Cases needed high doses to the physician specified and only a short time. Vitamin C (ascorbic acid) as well as other drugs work just recently had treatment side effects affect health.

Demand for vitamin C per day:

From birth to 3 years: 25-30 mg.
From 4 to 18 years: 30-40 mg.
Adults: 45 mg.
Thai side: 50 mg.
Breast feeding: 70 mg.