can someone give me some advice about the best B12 supplement out there. I'm looking to use it to help boost my appetite. Do I have to inject it or take it orally every day or is it something that you just take every few days. What are the best Brands to look for
can someone give me some advice about the best B12 supplement out there. I'm looking to use it to help boost my appetite. Do I have to inject it or take it orally every day or is it something that you just take every few days. What are the best Brands to look for