Moreover, PQQ is recognized for its antioxidant properties. It helps combat oxidative stress by neutralizing free radicals, which can damage cellular components, including lipids, proteins, and DNA. By reducing oxidative stress, PQQ may protect against chronic conditions, including cardiovascular diseases and certain cancers.
While vitamin C is generally safe and well-tolerated, excessively high doses can cause digestive issues such as diarrhea, nausea, and stomach cramps. The upper limit of vitamin C intake for adults is set at 2,000 mg per day. It’s essential to be mindful of your total vitamin C consumption, particularly if you’re taking supplements in addition to obtaining it from food sources.