Everything I tried worked in the 1st time I took and then stopped working (apple juice, lemon juice, dandelion greens, milk thistle extract)
B5 helps me wiht that too, I must take it with dinner or at bedtime since it makes me very sleepy. I usually take 3 mg, but it doesn't always work, I must cycle it or combine it with B2, B6 and magnesium, but again the combo doesn't alwyas work, then i focus on high tryptophan spices on dinner (parsley + mustard à l'ancienne with seeds), cranberries also work (mannose protects the urinary tract)
My experience with P5P lasted 2 weeks (at 6 mg/daily) and then I became intolerant to it. Luckily it apparently unblocked some receptors and I started feeling benefits from plain B6. If I knew what was going to happen from taking P5P I would have taken it at much lower dose and only every other day or 2-3x weekly. At first I felt great (like "wow this is how it feels when you get energy from the food you eat!"), then it felt wonderful, then it felt hyperthyroid and then hypothyroid. Then if I took just a cromb (~1 mg) I felt hypothyroid, so I stopped taking it altogether.
I think that it creates butyrate and since butyrate is a methyl donor, it activates B2 and I get increased uric acid (joint pain).