5 minutes with The HIIT Mum Pocket rocket and mother-of-one Colette McShane, aka. @TheHIITMum, is a fitness force to be reckoned with. Here, we chat to her about supplementation, passion and just getting stuff done.My love for the health industry started very early. I’ve been athletic all my life, participating in triathlons and cross-country racing as a six-year-old in Scotland.