Yes, it is worth reloading for the Garand.
There is a short list of powders that are acceptable for the Garand. They include IMR4895, H4895, Varget, and a few others. Damage can occur if your powder is too slow. Current factory hunting ammunition is not appropriate for the Garand without the use of a relief plug in the gas cylinder such the ones made by Shuster.
Hornady's manual has a Garand specific section on reloading. Regular 30-06 data can be used, but care must be exercised to stay around the mid range. 2700 fps for 150 grain bullets.
Sierra Bullets has a great article on reloading for gas guns.
Standard primers work just fine for the Garand. Make sure they are installed properly. CCI milspec primers are fine, but not necessary.
Full length resizing dies are necessary for the Garand. Generally, small base dies are not needed. Neck sizer dies will not work.
General recommendation is to use bullets from 150 to 180 grains. Folks have used lighter and heavier with success but with care. Any .308 diameter bullet should work just fine.
Crimping bullets is not necessary.
I use 150 grain in front of 46 grains H4895. Check that against a reputable source.
Check and search the CMP forum. Great information on reloading for the Garand.