Clinical Study Shows AstaReal(R) Astaxanthin Effective in Reducing both Mental and Physical Fatigue - yonhapnews.co.kr, 11/7/16 - "AstaReal® astaxanthin significantly reduced perceived symptoms of mental and physical fatigue compared to the placebo. These included improvements in clarity of thinking, concentration, motivation, and mood. Irritation and feeling of body heaviness were reduced. In the calculation test, an increase in errors observed in the placebo during the second half of the test was almost eliminated in the astaxanthin group. Supplementation with astaxanthin also significantly reduced salivary cortisol, a biomarker for stress" - [Nutra USA] - See astaxanthin at Amazon.com.
BioAstin Hawaiian Astaxanthin - 120 ct - 4mg - Supports Joint, Skin, & Eye Health Naturally - A Super-Antioxidant Grown in Hawaii
High doses of vitamin C to improve cancer treatment passes human safety trial - Science Daily, 3/30/17 -
"Clinical trials found that it is safe to regularly infuse brain and lung cancer patients with 800 -- 1000 times the daily recommended amount of vitamin C as a potential strategy to improve outcomes of standard cancer treatments ... This guarded optimism is based on the phase I trial data showing an increase in overall survival of 4-6 months in 11 glioblastoma multiforme patients (18-22 months) versus the 14-16 months survival typically seen with the standard treatment"
American Health Product Ester C 1000mg with Citrus Bioflavonoids, 180 Count