I am taking Glutathione Plus which consist of L-Glutathione 300mg, N-Acetyl-L-Cysteine 125mg, Astaxanthin 1mg, Alpha Lipoic Acid 50mg, Vitamin C 135 mg & Zinc 2.5mg, 1 tablet a day. There are white patches on my hand and it's getting larger and more. It that the side effect?