Sunday, December 5, 2010

Casein

[caption id="attachment_56" align="aligncenter" width="165" caption="casein"]casein[/caption]

What is it?
Casein is the dominant type of   protein in cow’s milk, comprising 80% of the total.  There are several dif  erent types of caseins:  alpha(s1), alpha(s2) beta, and kappa.  These associate together to form large, complex structures known as micelles.

What is it supposed to do?
Casein is used primarily as an anti-catabolic  that is, a protein to help limit muscle breakdown.

What does the real world have to say?
Bodybuilders have taken to the idea of using  casein as a “bedtime snack” to limit muscle   protein breakdown during sleep.  Many also use it - alone or combined with whey - for general   protein supplementation during the day.  Most seem to feel that it’s a worthwhile addition, although it’s impossible to assess what ef  ect it has on adding  LBM.

References: Brinksbodybuilding, WIKIPEDIA

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