There is no scientific proof teas that burn fat and boost metabolism, you could look here, dietary supplements are able to cure tinnitus there are a lot however, which report that dietary supplements help to considerably decrease the level of the ring in the ears of theirs to a livable fitness level.

Several of these supplements include:

Zinc
Zinc is a vital mineral required for the proper functioning of cellular processes like, the healing of injuries, maintenance of the immune system, cellular division, and the senses of taste & smelling. Zinc is found a great deal in the cochlea in the inner ear (the fine hairs on the nerve endings of the inner ear that senses sound vibrations) as well as in the auditory paths of the human brain. Zinc is also a necessary element of the enzymes required for the regular functioning of these places.
Be aware there are risks of taking a lot of zinc, exceeding daily allowances for an extended period is able to weaken the immune system, lead to side affects like disruption of coordination, nausea, and copper imbalance. If taking zinc supplements, take it separately from other minerals such as, calcium, copper, and iron since they're able to affect the absorption of the zinc.