I stopped eating meat about three weeks ago. What supplements should I consider taking? B-12?

If you have recently stopped eating meat, it is recommended to consider taking a vitamin B-12 supplement. A daily dose between 500 and 1200 mg should meet your needs. It is generally safe to opt for the higher dose as the body will excrete any excess through urine. To ensure optimal levels, it may be beneficial to have blood tests done after a few months of supplementing.