It helps in promoting good health on all fronts - physical, mental and spiritual. Physically, amethyst is known to bolster the immune system, reduce tension and headaches, and promote restful sleep. Mentally, its effects include alleviating worries and fears, encouraging clear thinking, and trusting one's intuition.

Amethyst has healing powers to help with physical ailments, emotional issues, and in Energy Healing and Chakra balancing. Amethyst crystal therapies are primarily associated with physical ailments of the nervous system, the curing of nightmares and insomnia, and balancing the crown chakra.

Physical health claims
According to online claims, amethysts are said to have several physical healing properties, including:

Enhancing the immune system
Improving endocrine function
Improving the skin’s appearance
Promoting digestive health
Reducing headaches
Regulating hormones

These are all scientifically unproven claims, however. While some of these benefits may be real, the scientific community views research as proof of effectiveness — and in this case, there hasn’t been much of it.