If you are actually wanting a lemon taste, could you use some lemon grass?
Look up the greens that actually work against your thyroid. (this way you don't over do those. I think I remember you stating you have a sluggish thyroid too.)
How about using the beet greens and beet root in a smoothie?
https://davyandtracy.com/green-smoot...othie-recipes/ (I haven't tried the greens, but may give it a go.)