Although they are different to the flu, having the symptoms of a cold-like a cough, sore throat and runny nose-can be bothersome. A severe cold can make you feel weak and ill too. Most colds are caused by viruses. Antibiotics are not effective against colds because they only fight bacteria.
Vitamin C Content. A 100-gram serving of orange or lemon provides you with 53 milligrams of vitamin C, which is 88 percent of the daily value of 60 milligrams per day. This serving equals either one small orange or slightly less than two lemons.
Besides, other ingredients and acids in a fresh lemon can really irritate your skin. If you are going to use a vitamin C product, it's best to use one in a form your skin can use with the least amount of irritation.Vitamin C Stability and Effectiveness One of the bad things about Vitamin C is that it oxidizes very easily. When a C serum oxidizes, it turns yellow or orange and looses its effectiveness.sually your skin gets used to the treatment and this kind of irritation will subside. However, sometimes you have to downgrade to a less potent C serum to make it more tolerable. Others even experience allergic reactions, such as itchy red bumps, and cannot use vitamin C at all.