Yes. By definition vitamins are substances we need to ingest every single day for optimal health.While one can get vitamin c through diet there may be significant benefits to taking additional c such as boosting immune function ; reducing risk of heart disease, cancer ; other chronic illnesses.I advise 1-2000 mg 2x/day.For more see http://umm.Edu/health/medical/altmed/supplement/vitamin-c-ascorbic-acid.
Vit C. They are sold over the counter. Use as directed. Vitamin c is extremely safe as it is "water soluble, " which means it does not stay in your system long. It goes out in your urine. People do take all levels of doses. The recommended daily amount is 75 mg. Keep in mind many foods, such as fruits and veggies are rich in vit. C.
Taking vit c caps. Yes you can take vitamin c capsules everyday, and often 1000mg of vitamin c daily is advised.