Quick answer: The ingredients are traditional botanicals with long histories of use. Research on each is limited or mixed, amounts are not published, and we know of no clinical trials on the finished capsule.
Calming botanicals
Passionflower and California poppy have traditional use and a small body of research, mostly on relaxation and sleep rather than nerves. See Passionflower Explained.
Traditional herbs
Corydalis and marshmallow root have long traditional use. Modern evidence for finished supplements is thin. See Corydalis and Marshmallow Root.
Prickly pear
Prickly pear has been studied for blood sugar and antioxidant properties, with mixed results. See the combined guide.
Where it falls short
The seller does not publish per-serving amounts, so the formula cannot be compared with research doses. We do not claim the capsule treats neuropathy, relieves nerve pain or repairs nerves.
Bottom line
A traditional botanical blend with limited evidence for any specific outcome. See our worth-it review and the references.