India, Oct. 23 -- Do you throw protein bars into your gym bag or choose 'zero sugar' treats and artificial sweeteners over a piece of fruit and regular sugar? Given the wide variety of flavoured yoghurts and protein bars on the market, it's important to know whether such foods are healthy, or what benefits they may offer. Also read | Tamannaah Bhatia's fitness trainer reveals 3 worst foods to eat after workout': Why you should avoid avocado toast

Dr Sanjay Bhojraj, an interventional cardiologist from California, US, and founder of Laguna Institute of Functional Medicine, shared an Instagram post on October 21 titled '5 things I would never eat as a functional cardiologist' - and protein bar is one of the foods he won't touch. He listed o...