Under 18: none. After that, your call, with the facts.

Under 18: none, per Danish health advice. After that it's your call, with the facts: no health benefit for under-40s, and drinking after training blunted muscle building in a trial. Never the night before training or competing.
S Evidence: strong. Large trials or many studies, pointing the same way.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
GBD 2020 Alcohol Collaborators 2022 · Parr et al. 2014 (crossover trial) · Sundhedsstyrelsen · the popular claim that partying and drinking "don't really cost muscle" runs against that trial (🔴).
Not medical, legal or financial advice.
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