Devon Abelman, contributor More to know Types of vitamin C: 3-O-ethyl ascorbic acid, ascorbic acid (percentages undisclosed) Other key ingredients: 63% Hippophae rhamnoides water, 5% niacinamide, 2% tranexamic acid Fragrance-free: yes Best for Advanced Users: CosRx Advanced The Vitamin C 23 Why it's worth it: If youre not new to the vitamin C gamesay, youre ready to graduate from CosRxs lower-dose The Vitamin C 13 SerumCosRxs The Vitamin C 23 Serum turns things up with a potent 23% concentration of L-ascorbic acid (the pure, biologically active form of vitamin Cwhile ascorbic acid is the broader chemical name youll see on ingredient lists, it typically refers to this same L-form in skin care)
The GST Assay kit measures the total GST activity of different types of samples, such as tissues and cell lysate and plasma
Talbott breaks down how chronic stress impacts hormones, energy, brain health, and long-term vitalityand what you can do to support your body through smarter nutrition, lifestyle strategies, and targeted supplementation
At Patients Medical, every patient receives a personalized plan based on lab testing and health evaluation