Retinol is roughly 20 times less potent than retinoic acid, which is why cosmetic concentrations typically range from 0.1% to 1% to achieve meaningful results
This means the stack can also support joint health, improve recovery from physical activity, and contribute to your overall sense of well-being from a cellular level
While oral glutathione is generally considered to be safe, there is not enough data to recommend long-term use, especially for women who are pregnant or breastfeeding, people who take prescription or over-the-counter drugs, and those who have chronic conditions, says Malhotra
The batch-specific Certificate of Analysis documenting these test results ships with every order, and current COAs are posted on our Certifications page
Hao KX, Shen CY, Jiang JG (2024) Sedative and hypnotic effects of Polygala tenuifolia Willd