天然维生素C

来自南美的神奇樱桃

科学家发现， Acerola樱桃不但含有高质量维生素C，它还含有生物类黄酮、橙皮苷、芦丁、花青素等植物营养素，因此疗效更广更佳。

临床应用

治疗流感，并预防病情加重

• Hemilä, Harri, and Elizabeth Chalker. "Vitamin C for preventing and treating the common cold." Cochrane Database of Systematic Reviews 1 (2013).

辅助治疗褥疮

• Desneves, Katherine J., et al. "Treatment with supplementary arginine, vitamin C and zinc in patients with pressure ulcers: a randomised controlled trial." Clinical nutrition 24.6 (2005): 979-987.

增加铁质吸收率高达40%

• Hallberg, Leif, and Lena Hulthén. "Prediction of dietary iron absorption: an algorithm for calculating absorption and bioavailability of dietary iron." The American journal of clinical nutrition 71.5 (2000): 1147-1160.

预防痛风发作

• Choi, Hyon K., Xiang Gao, and Gary Curhan. "Vitamin C intake and the risk of gout in men: a prospective study." Archives of internal medicine 169.5 (2009): 502-507.

降低LDL和三酸甘油酯

• McRae, Marc P. "Vitamin C supplementation lowers serum low-density lipoprotein cholesterol and triglycerides: a meta-analysis of 13 randomized controlled trials." Journal of chiropractic medicine 7.2 (2008): 48-58.

降低心脏病风险

• Knekt, Paul, et al. "Antioxidant vitamins and coronary heart disease risk: a pooled analysis of 9 cohorts." The American journal of clinical nutrition 80.6 (2004): 1508-1520.

有助于降低血压

• Juraschek, Stephen P., et al. "Effects of vitamin C supplementation on blood pressure: a meta-analysis of randomized controlled trials." The American journal of clinical nutrition 95.5 (2012): 1079-1088.

对抗病毒性流感

• Gorton, H. Clay, and Kelly Jarvis. "The effectiveness of vitamin C in preventing and relieving the symptoms of virus-induced respiratory infections." Journal of manipulative and physiological therapeutics 22.8 (1999): 530-533.

有消炎效果，有效降低C-反应蛋白

• Block, Gladys, et al. "Vitamin C treatment reduces elevated C-reactive protein." Free Radical Biology and Medicine 46.1 (2009): 70-77.

改善肝硬化

• Harrison, Stephen A., et al. "Vitamin E and vitamin C treatment improves fibrosis in patients with nonalcoholic steatohepatitis." The American journal of gastroenterology 98.11 (2003): 2485-2490.

有助于治疗幽门螺旋杆菌

• Jarosz, M., et al. "Effects of high dose vitamin C treatment on Helicobacter pylori infection and total vitamin C concentration in gastric juice." European journal of cancer prevention: the official journal of the European Cancer Prevention Organisation (ECP) 7.6 (1998): 449-454.

有效纾解过敏性鼻炎

• Bucca, Caterina, et al. "Effect of vitamin C on histamine bronchial responsiveness of patients with allergic rhinitis." Annals of allergy 65.4 (1990): 311-314.

有助于治疗各种过敏症

• Ruskin, Simon L. "Sodium ascorbate in the treatment of allergic disturbances." The American journal of digestive diseases 14.9 (1947): 302.

预防白内障

• Valero, María Pastor, et al. "Vitamin C is associated with reduced risk of cataract in a Mediterranean population." The Journal of nutrition 132.6 (2002): 1299-1306.

缺乏维生素C的15个症状

1. 毛囊角化症（鸡皮症）

2. 头发枯槁(Corkscrew hair)

3. 毛囊红斑

4. 匙状指

5. 皮肤粗糙

6. 紫癜

7. 伤口难愈合

8. 关节肿痛

9. 骨质疏松

10. 牙龈出血

11. 容易感冒

12. 缺铁性贫血

13. 疲累、情绪低落

14. 体重莫名增加

15. 慢性炎症

• Packer, Lester. Vitamin C in health and disease. Vol. 4. CRC Press, 1997.

Q&A

每天应该服用多少维生素C呢？

根据诺贝尔奖得主莱纳斯鲍林(Linus Carl Pauling)的研究，每天服用250毫克至4000毫克的维生素C都属于安全范围。由于维生素C属于水溶性营养，所以如果摄取过量，还是会以腹泻的方式排出来，不会中毒。

• Pauling, Linus. "Are recommended daily allowances for vitamin C adequate?." Proceedings of the National Academy of Sciences 71.11 (1974): 4442-4446.