The pen format changes nothing about that and is merely a product format for the laboratory context
However, high doses can cause: Stomach upset or diarrhea Kidney stones in susceptible individuals Iron absorption issues if you have iron overload conditions People with kidney problems should be cautious with high-dose vitamin C supplements
The challenge is translating this into a reliable supplement recommendation
Intramuscular injections can be more uncomfortable than subcutaneous ones as the needle penetrates deeper into muscle tissue
In the test tube, dihydrolipoic acid is a potent reducing agent with the capacity to reduce the oxidized forms of several important antioxidants, including coenzyme Q 10 , vitamin C, and glutathione ( Figure 5 ) (16, 17)
Mate, A., Miguel-Carrasco, J