Inclusion criteria:
a BMI of 18.5-25 kg/m2, body fat percent between 12-22%, waist circumference <90cm
aged 20-25 years
Men
Signing the Written informed consent
willing to undertake required fasting durations
Exclusion criteria:
Use of supplement for weight loss and weight gain
Professional athlete
who cannot consume test meals due to intolerances/dietary preferences (i.e. vegan, gluten, milk proteins)
change in body weight greater than 10% in 6 months past
Current smoking
use of medications that might affect study outcomes such as hypo and hyper thyroid and caffein
history of cardiovascular events (acute myocardial infarction, stroke, etc.), hypertension, diabetes mellitus, dyslipidaemia, pharmacological treatment for any of these conditions, neurological and/or neuropsychological disease or the consumption of toxic substances