Organizations offering small predoctoral grants (1K-10K)

American Bone and Mineral Society
http://www.asbmr.org/grants/index.cfm

American Federation for Aging Research (AFAR)
http://www.afar.org/

American Medical Association Foundation Seed Grant Research Programs
http://www.ama-assn.org/ama/pub/category/7785.html

American Physiological Society (several categories available)
http://www.the-aps.org/

American Society of Cell and Molecular Biology
http://www.ascb.org/

American Society for Microbiology International Fellowship
http://www.asm.org/International/index.asp?bid=2778

Association for Gerontology in Higher Education Directory of Funding Programs in Aging
http://www.gswi.org/programs_services/doctoral_fellows.html

Grantmakers in Aging Fellows Program
http://www.aghe.org/site/aghewebsite/section.php?id=8183

Internationals Society for Biochemistry
http://www.biochemistry.org/admin/grants.htm

Sigma Xi
http://www.sigmaxi.org/index.shtml