Yes, its safe for daily use if you stick to the recommended 5001000 mg dose
Biomaterials 31 , 20342042 (2010)
1 2 3 4 Annual Review of Pharmacology and Toxicology
Shipping to Germany Free Standard Shipping with any 48 purchase (10 - 15 business days) Returns and Exchanges Editor's Note Textbook ingredients for luminous skin:niacinamide, glutathione and Vitamin C
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However, there are vegetarian sources of sulfur as well, such as cruciferous vegetables like: broccoli Brussels sprouts cauliflower kale Vitamin C is a water-soluble vitamin found in a variety of foods, particularly fruits, such as: strawberries citrus fruit papaya kiwi bell pepper This vitamin has many functions, including working as an antioxidant to protect cells from oxidative damage