Vitamins

All Videos for Vitamins

How Ultra-Processed Foods Could Cause Disease: Loss of Phytonutrients

The 150 key nutritional components that are tracked in nutritional databases are only a tiny fraction of the more than 26,000 compounds present in our food.



Are Large Weekly Doses of Vitamin B12 Safe?

Should we be concerned about getting too much B12?



How Much Vitamin B12 Do We Need Each Day?

How are the recommended daily and weekly doses of vitamin B12 derived?



The Best Source of Vitamin B12: Supplements, Shots, or Fortified Foods?

Is it true we can actually absorb some B12 from our own microbiome?



The Best Way to Test for Vitamin B12 Deficiency

A diagnosis of B12 deficiency should not be dismissed based solely on a single measurement of B12 levels in the blood.



How Long Does It Take to Become Vitamin B12-Deficient and What Are the Symptoms?

For those eating plant-based diets, encouragement of vitamin B12 supplementation cannot be overemphasized.



How Much Do Doctors Know About Nutrition?

Who won in a head-to-head test of nutrition knowledge––doctors or patients?



Risks and Benefits of Nicotinic Acid (NA), a NAD+ Booster

Given niacin’s decades of use as a cholesterol drug, we have a good idea of its safety profile.



The Best Way to Boost NAD+: Supplements vs. Diet (webinar recording)

The pros and cons of all the NAD+ supplements and what are the ways to boost NAD+ naturally with diet and lifestyle?



The Downside to Banana Smoothies for Polyphenol Absorption

An enzyme in bananas can destroy some of the phytonutrients in berries and cocoa, but there is a way to reduce the effect.



Centrum Multivitamin, Vitamin C, Beta Carotene, Souvenaid, Zinc, or Calcium Supplements for Preventing Alzheimer’s?

Which might actually make cognition worse: Centrum multivitamin, vitamin C, beta carotene, Souvenaid, zinc, or calcium supplements?



Can Vitamin E or Selenium Supplements Prevent or Treat Alzheimer’s?

The Prevention of Alzheimer’s Disease by Vitamin E and Selenium trial randomized more than 7,500 older men to take vitamin E, selenium, both, or neither (just placebos) for five years.



Dietary Sources of the “Longevity Vitamin” Ergothioneine

It may be even more important to include mushrooms (or tempeh) in our diet as we age.



Are Beer, Bananas, and B Vitamins Mosquito Repellents?

What happens when mosquitos put on beer goggles?



Potential Vitamin and Mineral Deficiency Risks on a Vegan Diet

What is the best way to get the nutrients of concern on a plant-based diet?



Which Foods Are Anti-Inflammatory?

Foods that reduce inflammation. What does an anti-inflammatory diet look like?



The Complications of Bariatric Weight-Loss Surgery

The extent of risk from bariatric weight-loss surgery may depend on the skill of the surgeon.



Benefits of Quinoa for Lowering Triglycerides

How do the nutrition and health effects of quinoa compare to whole grains?



Kids’ Breakfast Cereals as Nutritional Façade

Plastering front-of-package nutrient claims on cereal boxes is an attempt to distract from the incongruity of feeding our children multicolored marshmallows for breakfast.



Are Fortified Kids’ Breakfast Cereals Healthy or Just Candy?

The industry’s response to the charge that breakfast cereals are too sugary.



Is Fasting for Weight Loss Safe?

The reasons why fasting longer than 24 hours, and particularly three or more days, should only be done under the supervision of a health professional and preferably in a live-in clinic.



Are Keto Diets Safe?

The effects of ketogenic diets on nutrient sufficiency, gut flora, and heart disease risk.



Best Foods for Halitosis and Gingivitis

The best and worst foods for bad breath and gum inflammation.



Do Chia Seeds Help with Belly Fat?

The secret to unlocking the benefits of chia seeds may be grinding them up.



How to Cook Rice to Lower Arsenic Levels

Boiling rice like pasta reduces arsenic levels, but how much nutrition is lost?



Treating Bacterial Vaginosis with Vaginal Vitamin C

Vitamin C is pitted head-to-head against antibiotics for bacterial vaginal infections.



Should Vitamin D Supplements Be Taken to Prevent Falls in the Elderly?

A daily dose of 4,000 IU of vitamin D is recommended for elders at high risk for falling to improve muscle strength and balance, though there is something that works even better.



Best Foods to Reduce Stroke Risk

What are the protective components of dietary patterns and foods associated with lower risk of cerebrovascular disease, or stroke?



What Is the Optimal Vitamin C Intake?

Experiments showing how much vitamin C our body absorbs and excretes can give us a sense of how many vitamin C rich fruits and vegetables we should be eating each day.



Food Synergy

Combining certain foods together may be more beneficial than eating them separately.



Should We Take DHA Supplements to Boost Brain Function?

Overt omega-3 deficiency is rare, but do short-term experiments on cognitive function suggest there might be an optimal DHA dose?



Iodine Supplements Before, During, and After Pregnancy

What is the evidence that all pregnant women should follow the American Thyroid Association’s recommendation to take a daily iodine supplement?



Reductionism and the Deficiency Mentality

How the food, drug, and supplement industries have taken advantage of the field of nutrition’s reductionist mindset



Kiwifruit for the Common Cold

Compared to bananas, does eating kiwifruit decrease the incidence and severity of upper respiratory tract infections?



Telomeres: Cap It All Off with Diet

Is the reversal of cellular aging Dr. Dean Ornish demonstrated with lifestyle changes due to the plant-based diet, the exercise or just to the associated weight loss?



Phytates for the Treatment of Cancer

Do the anticancer effects of phytates in a petri dish translate out into clinical studies on cancer prevention and treatment?