That amounts to about 200 mg of caffeine in a 1.5 litre bottle. Caffeine is deliberately added to all kinds of soft drinks to make it addictive . Read along and give up these dangerous things. Be natural, have flavoured milks, tender coconuts, butter milk, lassi, and plain water instead of these cold drinks. Our human body stops building bones at the age of about 30.
Some people like to take cold soft drinks after each meal.
Our body needs an optimum temperature of 37 deg. Celsius for digestive-enzyme to function. The temperature of cold soft drinks is very much below 37 deg or even close to 0 deg Celsius. The food ingested would not be digested properly . In fact it may undergo fermentation.