Inclusion Criteria:  age 18-30 BMI 18.5-30 Regular training at least 4 times a week and a maximum of 10 times a week (≥1 times strength training, ≥1 times endurance training / interval training or interval-based sports  Exclusion Criteria:  • Irregular menstruation within the last 6 months (shorter end 24 days or longer end 35 days cycle)  Used hormonal contraception within the last 3 months for the trial. Injuries / pain in the lower body, which prevents participation in intense strength training Medication consumption that may affect protein metabolism and inflammatory parameters. Diabetes Smoking Unstable weight / major weight loss (weight fluctuations of more than 5 kg in the last six months) Do not eat animal products Eating disorder Pregnancy Blood donor within the last month Cannot read or understand Danish