I have true gymecomastia For 2 years and iam 14...

can you treat gymecomastia by exercise and diet and testerone boosters ? 
yes you can , in this age ( teenage ) surgery isnt the first option , lose weight , exercise with focus on chest area , and increase your testerone levels by natural means will get you the right result 
- also , patience is important , you have to stick to the mentioned method for some years because you still growing 
how to lose weight :
1. regulat yoru meals and have healthy eating habits 
2. avoid fast food & and oily meals 
3. avoid suger and alcoholic or soft drinks such as cola 
4. have light or no dinner meals 
5. exercise regularly 
6. sleep early and have a plenty of rest 
7. avoid stress and anxiety 
8. drink plenty of water 
9. make sure you are not taking any medication that increase weight as a side effect 
10. consult your doctor about taking medication beside sticking to the earlier advices 
vitamins and food the increase your testosterone ability :
- vitamins :
1. vitamin E
2. vitamin C 
3. vitamin B12
4. vitamin D
5. selenium
- food :
1. red meat
2. eggs and milk products 
3. almond and walnut 
4. sea food and oysters
5. mashrooms