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How is lactose digested? Can it replenish glycogen store?

Answered on January 15, 2018
Created November 29, 2012 at 2:22 PM

Does lactose work well to replenish glycogen store after a workout?

How does the body use this sugar?

3c7150f971f65f52bb066bf21baa0f1d

(190)

on November 29, 2012
at 05:22 PM

perfect! thanks

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2 Answers

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B3173217a49b5b0116078775a17eb21d

(11488)

on November 29, 2012
at 02:45 PM

Unless you are lactose intolerent, it gets metabolised into glucose and galactose, both of which can replenish your glycogen stores.

3c7150f971f65f52bb066bf21baa0f1d

(190)

on November 29, 2012
at 05:22 PM

perfect! thanks

0
88639edd12100f7957a7bdf09f1137cf

on January 15, 2018
at 08:02 PM

The difficulty in answering this question is that if you think about it, it's extremely unlikely that the world is divided between people who can digest lactose completely, and those that are completely lactose intolerant. It is far more likely that our capacity to metabolise lactose varies from person to person owing to a genetic lineage ( EG it is far more easily digested by us westerners then those from the East, and probably more easily digested by the Young than the old). Many are the factors likely to influence how well an individual digests lactose, so the answer to your question must be that the variation in lactoses  capacity to is widely variable. I've no idea of the extent of this range or whether there's been any research on it. Also, as galactose is primarily metabolized by the liver, it may preferentially replenish liver glycogen rather than muscle glycogen; I don't know. One anecdotal way of gaining some indication would be to see how well a bottle of milk helps you to recover from a bout of resistance training compared to, say, a glucose/protein based drink. In my experience milk doesn't seem to help me feel re-energised but horses for courses, eh.

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