You need to include what exactly you are asking.
This could be an email to convince the recipient to join your platform. VC will be like, I’m not a scientist, this is spam. Ignore.
Just say you are raising $X and want him/her to invest. $X might be too small, or too large, for him/her to be interested. Don’t waste their time.
Better.
If you are looking for $50k, you probably should be targeting angel investors, not VC firms. $50k is probably too small for most VC firms. Check lists like this one https://signal.nfx.com/investor-lists/top-biotech-seed-investors