What are the chemical contents of beef stock?
There seems to be a good number of scientific papers on what's in beef broth.
I'd say, take all this with a grain of salt (pun) and enjoy your cup of broth as is.
Minerals : https://honey-guide.com/2014/01/21/bone-broth-mineral-content/
Amino acids : https://www.westmont.edu/sites/default/files/users/user1231/V19No4/Nick%20Flynn_final.pdf
Collagen(ish) : https://pubmed.ncbi.nlm.nih.gov/29893587/
Collagen : https://journals.humankinetics.com/view/journals/ijsnem/29/3/article-p265.xml
&quot;Bone Broth Unlikely to Provide Reliable Concentrations of Collagen Precursors Compared With Supplemental Sources of Collagen Used in Collagen Research&quot;