There are side effects.

1. It is not advisable to overdose this product for a long time, otherwise, symptoms of scurvy may occur if the drug is stopped suddenly.

2. This product can pass through the placenta and be secreted into breast milk. When pregnant women take too much, it can induce scurvy in newborns.

3. Oral administration of large doses of vitamin C can interfere with the anticoagulant effect of anticoagulants.

4. Combined use with barbiturates or primidone can increase the excretion of vitamin C.

5. Cellulose sodium phosphate can promote the metabolism of vitamin C into oxalate.

6. Long-term or large-scale application of vitamin C can interfere with the effect of disulfiram on ethanol.

7. Salicylates can increase the excretion of vitamin C.

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Extended information

Efficacy of vitamin C tablets

1. Enhance human immunity, Prevent colds

VC can enhance the chemotaxis and deformation ability of neutrophils and improve their bactericidal ability. Promote the generation of lymphoblasts and improve the body's recognition and killing of foreign and malignant cells. Participate in the synthesis of immunoglobulins. Increase CI complement esterase activity and increase complement CI production. Promote the production of interferon, interfere with the transcription of viral mRNA, and inhibit the proliferation of viruses. Can prevent and reduce cold symptoms.

2. Whitening and skin care, antioxidant and anti-aging

Promote the synthesis of collagen, enhance skin elasticity, prevent skin dryness and aging, whiten and remove freckles. VC is a strong oxidant that can eliminate excess free radicals in the body, maintain cell activity and function, and resist aging caused by time and the environment.

3. Assist the absorption of other nutrients

Prevent and delay the oxidation of VA, VE and unsaturated fatty acids to ensure their normal absorption and physiological effects in the body; promote the absorption of iron in the intestines Absorption and storage of iron in the tract are beneficial to red blood cell synthesis; assists in the absorption of folic acid and calcium.

4. Maintain the normal function and health of the cardiovascular system

Reduce the cholesterol and low-density lipoprotein levels in the liver and blood, protect the cardiovascular system, and prevent the occurrence of atherosclerosis.

5. Improve the body's ability to face stress

Participate in the synthesis of hormones and improve the body's stress resistance.

6. Anti-cancer

Fight cancer, alleviate heavy metal toxicity and bacterial toxicity, etc.

Reference source?/baike.baidu.com/item/E7BBB4E7949FE7B4A0CE78987"target="_blank"title="Only supports selecting one link to take effect"gt; Baidu Encyclopedia-Vitamin C Tablets