Middle Age muScle Krill Study

Inclusion Criteria: * Be 35-60 years old * Have a BMI of less than 35kg/m2 Exclusion Criteria: * People with diabetes, severe cardiovascular disease, seizure disorders, uncontrolled hypertension (\>150/90mmHg at baseline measurement), cancer or cancer that has been in remission \<5 years, ambulatory impairments which would limit the ability to perform assessments of muscle function, dementia, on anticoagulant therapy, and/or taking medication known to affect muscle (e.g., steroids). * People who have allergies to seafood, and/or regular consumption of more than 1 portion of oily fish per week. * People who perform regular (\>1 day/week) resistance exercise training.