For adults, the recommended daily amount for vitamin C is 65 to 90 milligrams (mg) a day, and the upper limit is 2,000 mg a day. Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea.
Doxycycline is usually taken once or twice a day. Drink a full glass of water with each dose. If your stomach becomes upset when you take doxycycline, you may take it with food or milk. However, taking doxycycline with milk or food may decrease the amount of medication absorbed from your stomach.Dec 15, 2017
They can deplete nutrients- especially micronutri- ents – minerals, vitamin k and B12. Antibiotic also affects affect gut motility, transit time and colon processes. Food components like fat, fiber and carbohydrates digestion, absorption can be affected.May 15, 2019
Doxycycline is an antibiotic. It’s used to treat infections such as chest infections, skin infections, rosacea, dental infections and sexually transmitted infections (STIs), as well as a lot of other rare infections. It can also be used to prevent malaria if you’re travelling abroad.