~~ Vitamin C Supplements

Along with its beneficial effects as a connective tissue regenerator and in maintaining proper immune system function, vitamin C has been shown to help modulate high levels of cortisol brought about by stress. A study in 2001 examined the effects of supplemental vitamin C on high cortisol levels brought about by physical stress in marathon runners. In a randomized, placebo-controlled study, ultramarathon runners were given 500 mg a day of vitamin C, 1500 mg a day of vitamin C, or a placebo seven days before a marathon, the day of the race, and two days after the race. Researchers found that athletes who took 1500 mg per day of vitamin C had significantly lower post-race cortisol levels then those taking either 500 mg a day or placebo.

Another study published in the journal Psychopharmacology reviewed evidence showing that vitamin C can reduce high cortisol levels brought about by psychologically induced stress. In a randomized, double-blind, placebo-controlled trial, researchers gave 3000 mg per day of vitamin C or a placebo to 120 volunteers who were subjected to psychological stress through the Trier Social Stress Test (TSST), which consists of 15 minutes of psychological stress induced via a mock job interview, followed by a mental arithmetic challenge. Subjects who took vitamin C had lower blood pressure, subjective stress, and cortisol measures compared to those who were given placebo. Study recommended dosage: 1000-3000 mg per day.

American Health now owns the patent for Ester C, and raised the price considerably. With free shipping in the continental U.S., this item is still well discounted, but now too expensive to offer the old discounts from NOW and Source Natural.


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