Yes, please use Peppermint

There are many natural remedies for anxiety. Check this out:
https://philaholisticclinic.com/natural-treatment-for-anxiety/

Meditation is ideal. I have also recommended Bach Flower remedies. There is “Rescue 911” and I customize formulations according to need.

St. John’s Wart, Calm (magnesium liquid drink), Benadryl, Valerian, Lavender Aromatherapy 3 times daily, Passion Fruit.

Yes there are. Like a lot of things, it's trial and error because everyone responds differently to different things. Sometimes, anxiety can stem from childhood issues. If you have childhood trauma, those should definitely be addressed. Herbs can be helpful but it may take time before any benefits are noticed.

Nutrition and neuroscience are shedding light on the fact that nutritional factors are intertwined with human cognition, behavior, and emotions. The dietary intake patterns reflect that often One is deficient in many nutrients, especially essential vitamins, minerals, and omega-3 fatty acids. Notably, the diets of patients suffering from mental disorders have a severity of deficiencies in these nutrients.

Anxiety is very common, but can be complicated depending on the source of anxiety. There are many options for treatment.