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A patch test can help determine whether you can safely use these products

J Res Med Sci 22:117 Liu ZJ, Semenza GL, Zhang HF (2015) Hypoxia-inducible factor 1 and breast cancer metastasis

Much of the safety data comes from animal studies, where researchers report on tolerance and effects in those models

The effect of excitability changes may be either homeostatic, counteracting synaptic changes (Zhang and Linden, 2003

Without adequate levels of this master antioxidant, the entire cellular defense grid becomes compromised, leaving the body entirely vulnerable to both internal metabolic stress and external environmental toxins