For the past few months, my hands have been hurting so much that I can hardly bend my fingers. I’m also having trouble sleeping...

Try taking a bath containing one cup of Epsom salts in the evening. It might take a while for things to get under control, but you should see changes in two or three weeks.

Be especially wary of sugar.

The supplements most likely to help you are A.Vogel Joint Pain Relief and A.Vogel Stinging Nettle. You can add VegOmega-3 and Absolüt Arnica Gel for a more complete effect.