Get the latest Science News and Discoveries

Cyber Monday supplement sale: save up to 50% on essential vitamins and minerals


None

Get the Android app

Or read this on Live Science

Read more on:

Photo of Black

Black

Photo of Probiotics

Probiotics

Photo of Black Friday

Black Friday

Related news:

News photo

Black Friday MacBook deal: Save up to $500 on these MacBook Pro models at Best Buy

News photo

Black Friday deals: Fitness, home health and home tech

News photo

Put the kettle on! How black tea (and other favorites) may help your health later in life