Vitamin C, also known as "ascorbic acid", is an essential micronutrient for humans.
Vitamin C Ascorbic Acid was first synthesized in 1933 and was the first vitamin supplement to enter the market.
There is no difference between natural vitamin C and synthetic vitamin C. The two are just different sources but have the same effect.
The "Dietary Reference Intakes (DRIs) of Chinese Residents" stipulates that the daily intake of vitamin C for healthy adults (except pregnant and lactating women) is 100 mg, and the maximum tolerated intake is 1,000 mg/d.

Vitamin C

Items	Specifications	Results
Appearance	White crystalline powder	White crystalline powder
Identification	Positive	Positive
Clarity of solution	Clear	Clear
Assay (%)	99.0~100.5 %	99.6 %
Loss on drying (%)	≤0.40 %	0.04%
Residue on ignition (%)	≤0.10 %	0.04%
Sulphate ash (%)	≤0.10 %	0.04%
Specific rotation (°)	+20.5~+21.5	+20.95
PH value (2% solution)	2.4 ~2.8	2.64
PH value (5% solution)	2.1 ~ 2.6	2.32
Melting range (℃)	About 190	191
Heavy metals (ppm)	≤3	＜3
Iron (ppm)	≤2	＜2
Copper (ppm)	≤2	＜2
Total plate count (cfu/g)	≤1000	＜1000
Arsenic (ppm)	≤1	＜1
Lead (ppm)	≤2	＜2
Cadmium (ppm)	≤1	＜1
Mercury (ppm)	≤1	＜1
Conclusion	Meet the standard

Vitamin C Ascorbic Acid

Benefits of vitamin c :

1. Vitamin C participates in various physiological processes of the human body, including hydroxylation, antioxidant effects, regulating immune function, improving the absorption and utilization of nutrients, etc.
2. Vitamin C Ascorbic Acid can promote the absorption and utilization of calcium, iron, folic acid and other elements in the body, and is useful for preventing osteoporosis and improving iron deficiency anemia.
3. Vitamin C can strengthen the function of the immune system through various ways, including increasing the production of antibodies, reducing free radical damage, and regulating cytokine secretion.
4. The latest scientific research shows that short-term (3-5 days) use of 1-2 grams/day of vitamin C after a cold can relieve symptoms and prevent the condition from getting worse.

5. Vitamin C can reduce the risk, duration and severity of colds.One analysis showed that taking vitamin C reduced the incidence and duration of colds.

Vitamin c benefits for skin :

6. Vitamin C is a powerful antioxidant that is widely used and of particular interest because of its multiple functions on the skin, including photoprotection against UV rays A and B, promoting new collagen formation, inhibiting melanin production, and improving inflammation. Skin diseases, etc.

Ascorbic Acid

1. vitamin c supplement.

2. vitamin c serum for face.

Reference

[1]. Bettina Moritz, Ariana E.Schmitz, Ana Lúcia S.Rodrigues, Alcir L.Dafre, Mauricio P.Cunha, "The role of vitamin C in stress-related disorders," The Journal of Nutritional Biochemistry, Volume 85, November 2020, 108459 .

[2]. Garcia, O. P., Diaz, M., Rosado, J. L., and Allen, L. H. Ascorbic acid from lime juice does not improve the iron status of iron-deficient women in rural Mexico. Am.J.Clin.Nutr. 2003;78(2):267-273.

[3]. HemiläH,Chalker E.Vitamin C reduces the severity of common colds:a meta-analysis.BMC Public Health.2023 Dec 11;23(1):2468.

Vitamin C