You have low glutathione. Invest in a whey protein to pick up your body's antioxidant levels. If you have fatigue that means your body isnt clearing toxins as fast. That means your glutathione(main antioxidant) is low. Google about it and read online regarding methylation and glutathione levels...
candida is also caused by low glutathione, Antibiotics , bad eating habits and low minerals with high toxic metals.