Immune Support

Here you will find reviews and best-of guides for immune supplements, plus explainers on the nutrients the immune system relies on.

We compare doses with daily intake guidelines and human research, flag doses that go above safe upper limits, and check refund terms and complaints.

Ask your doctor before use if you have an autoimmune condition, take immune suppressing drugs, or are pregnant.

Does echinacea help prevent or shorten colds?

The evidence is mixed. NCCIH notes that some studies suggest echinacea might slightly lower the chance of catching a cold, but results are inconsistent, and products differ widely in which plant parts and species they use. It can cause allergic reactions in some people. Handwashing, sleep, and recommended vaccines remain the best supported ways to stay well.

Source: Echinacea, NCCIH