Please upload report pic or value.
The treatment depends on how much low is
testosterone level.
(Dietary substances , tablets , injections etc)
Next Steps
In your case , as u mentioned
testosterone levels are in reference range, just dietary modifications will do..but have to see the report before commenting anything.
Health Tips
Fenugreek seeds (methi seeds) , soyabean etc contains natural
testosterone.
Consult online or at clinic for further details.