I've won over my Brother as he's a gym freak and knows that Vit C is essentially a weak anabolic steroid in terms of enhanced recovery.
The bodybuilding/althete community are often well ahead of everybody with regard to supplements that work and Vitamin C is taken by most bodybuilders because it relieves painful stiff muscle and hardens then up. Its old news and I read about it when I was 13. I was painfully skinny as a kid and started weights and took Vitc 2000mg a day because it works. I couldn't really offord to buy any more only doing a paper-round!!!
I've also won my parents over and they take around 1-2000mgs a day. Better than not taking any a t all ay?
THE KEY TO WINNING PEOPLE OVER :
Educate yourself with the facts! Buy a physical book on Vit C and show your Mum. As it'll be written usually by a Doctor, this will give it some credence. However, it is an uphill battle. You have to explain why VIT C is King as if your're explaining it to a 5 year old. Remember that most people have no scientific qualifications and the older they are the more defiant people are unwilling to change their viewpoints. Deal with the facts (what an antioxidant is, how it prevents cholesterol being oxidised ("Keeps blood like Olive oil instead of rancid lard" ) it protects cells from being damaged by free radicals(What "Free radicals are"), VITC 100% Non toxic, its cheap, your body does not make it, its stimulates all parts of the immune system...and so on...) Speak clearly with an air of authority which will be easy once you're "clued up" on Vit C and other anti's. Read read read!!!!
SOME OTHER TRICKS : Get 20 Vitamin 1000MG tabs and eat them all over an hour.
Speak about it in a fun way - speak in terms of what other people have said about the Pauling Therapy - like I say deal with the evidence and the facts and people will change thir viewpoint....
CHECK THIS OUT - PRINT IT AND SHOW IT HER ! download the film - GOOD LUCK!!!
http://www.internetwks.com/owen/stories.html