In recent years, there has been ongoing discussion about high-dose oral vitamin C for improving skin problems and treating chronic diseases. Recently, a popular blogger with 120000 followers said, "Oral vitamin C can prevent facial collapse, whiten the skin, and promote health!" "High doses of vitamin C are the nemesis of inflammation!" Both posts emphasized that only by taking a large amount of vitamin C can whitening and anti-inflammatory effects be effective! In the comment section, some people strongly agree and say, '15 grams a day, pelvic inflammatory disease doesn't hurt anymore!' But there are also those who question whether excessive intake will have side effects? It is reported that vitamin C is an important antioxidant with antioxidant, free radical scavenging, and anti-inflammatory effects. The recommended daily intake is generally 100 milligrams. Dr. Feng Xuemei, a dermatologist at the Eastern Theater Command Air Force Hospital, said in an interview that although vitamin C has many benefits for the body, it is not recommended to take it in large quantities for a long time. Additionally, many people are very concerned whether a bottle of liposome vitamin C costing around 300 yuan is really better than a bottle of vitamin tablets costing a few yuan? It is understood that liposome vitamin C is prepared by a special process and has a higher absorption rate compared to ordinary vitamin C tablets. Feng Xuemei explained, "The structure of liposomes is similar to that of cell membranes, so they can penetrate the intestinal wall more efficiently and enter the bloodstream." However, she pointed out that for most people, regular tablets are sufficient for daily vitamin C supplementation, and it is generally recommended that chronic disease patients take liposome vitamin C. Experts point out that in clinical practice, intravenous injection of vitamin C is usually an adjuvant therapy for serious diseases. Feng Xuemei said, "In daily life, especially in autumn and winter, if you catch a cold, you can increase your intake of vitamin C in a short period of time by taking 1000-3000 milligrams orally to enhance your immune system." However, she emphasized that there are certain risks associated with taking vitamin C in large quantities for a long time. "Vitamin C may produce oxalate and urate salts during metabolism in the body, which increases the risk of kidney stones. In addition, taking high doses may also cause problems such as excessive gastric acid secretion, gastric spasms, and diarrhea