viTAmin K2 and rEcOVery From ExeRcise

Effects of Vitamin K2 on Recovery From Muscle Damaging Exercise in Young and Older Adults

The aim of the current study, therefore, is to investigate the effects of vitamin K2 supplementation on the physiological responses to an acute bout of resistance exercise.

Inclusion Criteria:

• Participant is able and willing to sign the Informed Consent From
• No plans to change lifestyle (activity and nutrition) during the study period
• Older group (n=40): 65 years of age or older.
• Younger group (n=40): Aged 18-40 years

Exclusion Criteria:

• Not currently, or in the last year, participating in more than 1h per week of vigorous aerobic physical activity or any resistance exercise
• BMI > 30 kg/m2
• diabetes
• severe cardiovascular disease
• seizure disorders
• liver disease
• uncontrolled hypertension (>150/90mmHg at baseline measurement)
• cancer or cancer that has been in remission <5 years
• ambulatory impairments which would limit ability to perform assessments of muscle function
• dementia
• currently taking Vitamin K2 supplements
• currently taking Vitamin K antagonists/anticoagulants (e.g. warfarin)
• current smoking
• history of drug abuse
• taking medication known to affect muscle (e.g. steroids).