What supplements can help treat sleep apnea?

No supplements. To date, that is no medicinal treatment for sleep apnea. The treatment is something called continuous positive pressure(cpap).
Have sleep test done. Try CPAP or oral sleep appliance, avoid drinking before you go to bed, have regular exercise, try to loose some weight.
Probably none. Treatment for sleep apnea is with an oral appliance, a breathing machine (cpap), or surgery. With any of these treatments, melatonin can be used to help you sleep better.

Related Questions

Does an herbal spray or supplement for uvula obstructive sleep apnea exist?

Unfortunately Not. Obstructive sleep apnea needs to be treated by either CPAP or bipap or some other prescribed airway device to ensure that you get adequate oxygen during sleep. You should see a sleep specialist & have a sleep study. Additionally, losing weight via diet & exercise or a medically supervised weight loss program if you have failed on your own. Uppp is also a surgical option but isn't fun-last resort. Read more...
No. Sorry, there is no spray or supplement that will open up the airway and alleviate sleep apnea. Read more...
No. Treating symptoms with holistic remedies may work for some ailments, but sleep apnea is not really one of them. Read more...