I think it depends on your career goals and what you hope to be doing with the coaching certification. The Institute for Integrative Nutrition is an online year long program with an excellent reputation, but it is more nutrition focused. It’s one that I have been considering because of my interest in nutrition. http://www.integrativenutrition.com/
Coach U is another well known program, but there was too much of a time and travel commitment for my needs.
With the ICF, I believe it depends upon the credential. http://www.coachfederation.org/getcredentialed/
I would suggest while conducting your research, you speak to graduates of the
If you’re not already a member, LinkedIn is a good place expand your networking.
Hope this helps.