Vitamins & Supplements

What is L-Lysine? Benefits, Uses & Side Effects

Do you take supplements to support your immune health? What about vitamins and minerals for collagen production, or a morning protein shake to boost your energy levels and physical fitness?...

03/09/25Medically reviewed by Dr. Christopher Oseh

Health and Wellness Vitamins & Supplements

Pine Bark Extract vs Pycnogenol: What's the Difference?

The natural world has provided humanity with various wellness benefits for thousands of years, and a growing body of research shows we’re literally surrounded by a powerful health supplement you...

03/09/25Medically reviewed by Patricia Weiser, PharmD

Health and Wellness Vitamins & Supplements

What are Polyphenols? Benefits, Side Effects and Uses

When we use the term “polyphenols,” we’re speaking about a collection of nutrients found naturally in fruits, vegetables and other plants. Polyphenols are also present in plant-derived beverages, such as...

02/27/25Medically reviewed by Dr. Christopher Oseh

Health and Wellness Vitamins & Supplements

What Is DHEA and What Is It Good For?

Your adrenal glands produce dehydroepiandrosterone (DHEA),[1] a hormone that acts as a precursor to male and female sex hormones like estrogen and testosterone (precursor means your body transforms DHEA into...

02/23/25Medically reviewed by Dr. Christopher Oseh

Health and Wellness Vitamins & Supplements

What is Pre-Workout? A Beginner's Guide

For beginners and pros alike, every workout has a goal. It may be long-term health or targeted benefits like building muscle or burning fat. Whatever the case, most of us...

01/20/25Medically reviewed by Dr. Christopher Oseh

Exercise and Fitness Vitamins & Supplements

Colostrum Milk being poured into a glass

What is Colostrum?

All female mammals, including humans, produce a nutrient-rich liquid called colostrum after giving birth.1 While it’s not milk, this milky fluid gives newborns a high dose of antibodies, nutrients, growth...

01/13/25Medically reviewed by Justine Hays, RD

Digestive Health Health and Wellness Vitamins & Supplements

What is Red Yeast Rice? Benefits and Uses

People have been using red yeast rice, sometimes referred to as Went yeast, for centuries as part of traditional Chinese medicine.[1] It's made by growing a specific type of yeast...

12/16/24Medically reviewed by Dr. Christopher Oseh

Heart Health Vitamins & Supplements

What is Chelated Magnesium? Benefits, Uses and More

Up to 15% of Americans are deficient in magnesium (this number is even higher for those who are hospitalized or sick — an estimated 65% of critically ill patients are...

12/09/24Medically reviewed by Patricia Weiser, PharmD

Energy Stress and Mood Vitamins & Supplements

What is Pea Protein? Benefits and Uses

When Mom said, “Eat your vegetables,” she knew what she was talking about. Peas, like many other foods, contain proteins, one of the essential building blocks of our bodies. Proteins...

11/18/24Medically reviewed by Justine Hays, RD

Vitamins & Supplements

What is NAC (N-Acetyl Cysteine)?

N-acetyl cysteine, or NAC for short, is a form of cysteine, an essential amino acid needed for protein synthesis in the body. A growing number of people are turning to NAC...

09/22/24Medically reviewed by Patricia Weiser, PharmD

Health and Wellness Vitamins & Supplements

The 4 Steps to Choosing a Probiotic

Choosing a probiotic may seem a little overwhelming. Probiotics are everywhere, and as researchers uncover more about them, they grow even more popular. Options are great to have, but that...

09/04/24Lindsey Toth, MS, RD

Vitamins & Supplements

What Are Citrus Bioflavonoids?

The first thing that comes to mind when you think of citrus nutrition is probably vitamin C, but citrus fruits are brimming with other nutrients too, including many vitamins and...

08/21/24Lindsey Toth, MS, RD

Vitamins & Supplements