B vitamins and C
Numerous studies have linked low levels of vitamin C with increased fatigue. For example, a study at the University of Alabama Medical Center assessed the vitamin C intake of 411 dentists and their spouses, then, using a questionnaire, determined their ‘fatigability’ score. The researchers concluded, ‘These limited data suggest that individuals consuming the generally accepted RDA for vitamin C report approximately twice the fatigue symptomatology as those taking about sevenfold the RDA.’
Supplementing vitamin C alongside B vitamins can also have a marked impact on how you feel and your energy levels. A 2011 randomised, placebo-controlled, double-blind trial gave 198 men between the ages of 30 and 55 in full-time employment either a supplement containing vitamin C, B complex and minerals or a placebo. After assessments at 14 and 28 days, those receiving the supplement were found to have greater physical and mental stamina, concentration and alertness than those taking the placebo.1
Coenzyme Q10 is a vital link in the energy equation. In cell studies it improves energy, reduces stress and acts as an antioxidant.2 Technically, Co-Q cannot be classified as a vitamin since it can be made by the body, although it isn’t made in large enough amounts for optimum health and energy. It is therefore known as a semi-essential nutrient. The older you get the less you make so cellular levels drop unless you supplement it. The form that humans use is called Co-Q10, which is what you’ll find in supplements, sometimes in the ‘reduced’ form called ubiquinol. Co-Q’s magical properties lie in its ability to improve the cell’s capacity to use oxygen.
I recommend 50 to 200mg of Co-Q10 a day for an energy boost although there is no known harm in taking more. No studies have reported toxicity of Co-Q10, even at extremely high doses taken over many years. So there is no reason to think that continued supplementation with Co-Q10, as I advise for many vitamins, should have anything but extremely positive results.
The three Ginsengs – Korean, American and Siberian
Ginseng is the most renowned energy boosting herb of all. It is a shrub native to the woodlands of Northern China, Korea and Siberia, whose roots have been revered in China for some 5000 years ......
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