Juicing: Genius or Hype?
Caroll Alvarado
| 21-02-2025
· Food Team
Juicing, once hailed as a miracle for health, may not be the brain booster we thought it was.
Since Norman Walker’s invention of the modern juicer in the 1930s, many have sworn by its benefits. But is juicing truly a wellness wonder—or a misguided trend? Let’s dive in.

A Brief History of Juicing

In the 1930s, Norman Walker introduced the world to the modern juicer, a machine that revolutionized how we consume fruits and veggies.
He promoted juicing as a cure-all, even though his credentials were dubious. Despite his shady claims, he sparked a nationwide passion for juicing, providing an easy way to consume nutrients.

The Juicer's Impact on Your Gut

Today’s juicers are sleek kitchen counter accessories, but what’s left behind after juicing might be the most important part of the fruit: the fiber and polyphenols. These components, which are vital for gut health, are tossed aside, leaving you with sugar-rich, fiberless juice.
This lack of fiber is problematic for our gut microbes, which thrive on the fiber and polyphenols from whole fruits and vegetables. The gut bacteria that benefit our health can starve when juicing is the primary method of consuming produce.

Sugar Overload and Its Consequences

While juicing may deliver vitamins, it also packs in sugar. Juicing concentrates the natural sugars found in fruits and vegetables, fueling sugar-loving microbes in the gut.
This imbalance can lead to “leaky gut” syndrome, where harmful bacteria and toxins make their way into the bloodstream. Ironically, what was once thought of as a detox method may contribute to an increase in toxins.

The Link to Cognitive Decline

Perhaps the most concerning finding in recent research is the effect juicing may have on cognitive health.
Studies suggest that certain microbes, associated with brain aging and cognitive decline, thrive on a juice-heavy diet. These microbes may inflame the brain and contribute to neurological impairment.

The Missing Pieces: Polyphenols and Fiber

Whole fruits and veggies are packed with polyphenols and fiber, which are essential for maintaining a healthy gut and brain. Polyphenols, metabolized by gut bacteria, help protect against inflammation and support brain health.
Fiber produces butyrate, a compound that nourishes gut cells and plays a crucial role in brain function. Without these vital components, juicing may be depriving you of significant health benefits.

What’s the Alternative?

Instead of juicing, consider blending your fruits and veggies into smoothies. Unlike juice, smoothies retain the fiber and polyphenols that are essential for gut and brain health.
While juicing was once seen as a health craze, we now know it may not be the miracle it was made out to be. For better gut and brain health, it's time to ditch the juicer and blend up a smoothie instead. Your body—and brain—will thank you.

Juicing or Blending...The Healthiest for Your BODY! Dr. Mandell

Video by motivationaldoc