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Catherine Guthrie

Catherine Guthrie

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How Carotenoids Support Healthy Skin

Carotenoids, the vibrant pigments found in plants, provide protection for your skin against harmful UV rays, premature aging, and dryness. Discover which foods are rich in carotenoids and what to look for in topical treatments.
By Catherine Guthrie

11 Vital Nutrients for Skin Health

Here are some of the most important nutrients for skin health, including collagen, probiotics, selenium, and nitric oxide.
By Catherine Guthrie

Why Your Body Needs Potassium and How to Maximize Your Intake

Potassium is a key mineral for heart health, fluid balance, and more. Learn about its essential functions, recommended intake, optimal food sources, and signs that you may be low.
By Catherine Guthrie

How to Increase Your Testosterone — Naturally

Men are confronting an unprecedented decline in testosterone. Consider these 11 lifestyle-based tips to protect your T.
By Catherine Guthrie

Why Your Body Needs Magnesium and How to Maximize Your Intake

Magnesium is a key mineral for optimizing your health and well-being. Learn about its essential functions, recommended intake, optimal food sources, and signs that you may be low.
By Catherine Guthrie

Why Your Body Needs Calcium and How to Maximize Your Intake

Calcium is a key mineral for more than just healthy bones. Learn about its essential functions, recommended intake, optimal food sources, and signs that you may be low.
By Catherine Guthrie

How to Forage for Wild Berries

Start foraging your own blackberries, raspberries, and more with advice from Julia Skinner, PhD.
By Catherine Guthrie

What Are the Health Benefits of Cranberries?

Explore how these remarkable berries contribute to infection prevention.
By Catherine Guthrie

What Are the Health Benefits of Blueberries?

Explore how these remarkable berries provide potent anti-inflammatory relief and improve blood-vessel function.
By Catherine Guthrie
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