Category: Nutrition

Should You Take Vitamin K With Your Vitamin D?

Vitamin K is increasingly marketed with Vitamin D. But is this combination evidence-based?

/ June 5, 2025
Bottles of various vegetable oils, including brands like Goya, Wesson, LouAna, and Crisco, are neatly arranged on grocery store shelves. Price tags are visible below the rows of oils.

Seed Oils Are Not Bad For You

So-called “health influencers” – self-appointed health gurus spreading their unvetted opinions about health through social media, have apparently decided that seed oils are bad for you. Our chief health guru, RFK Jr, even blames seed oils for the obesity epidemic (based on the flimsiest of evidence and logic, which is his MO). I’m not exactly sure where this demonizing of seed oils...

/ June 4, 2025
Close-up of raw, rolled oats displaying their flat, oval shape with beige and white shades. The texture appears dry and flaky, typical of uncooked oatmeal.

Are dietary sugar alcohol sweeteners safe?

Should we be concerned about new research linking sugar alcohols like xylitol and erythritol?

/ August 15, 2024

Ultraprocessed Foods

What are “ultraprocessed foods” and are they a health risk? One would think there is reason for concern, given all the hyped headlines, but as is often the case the data is somewhat complicated. The complexity begins with the fact that there is no agreed-upon operational definition of “ultraprocessed food” (UPF). Processed food generally refers to food products that are already prepared...

/ June 12, 2024

IgG Food Sensitivity Tests Not Valid

IgG testing for food sensitivity has not been validated by scientific evidence - that does not stop CAM practitioners.

/ October 18, 2023

The effects of vitamin D supplementation on major cardiac events

A large randomized controlled trial of vitamin D supplementation generates good data to show there is likely no benefit.

/ July 6, 2023
Vitamin infusion

No evidence IV vitamin drips can treat infertility

There is no evidence IV vitamin drips can help treat infertility

/ May 25, 2023

Skeptical of the Carnivore Diet

The carnivore diet is the latest fad diet that is particularly pseudoscientific.

/ April 19, 2023

Is Meat Poison? Is Fat the Antidote?

Is a diet comprised solely of meat good for you? I think you know the answer.

/ December 13, 2022