All Videos for Supplements

Are Calcium Supplements Effective?

What is the optimal daily dietary calcium intake and might benefits for your bones outweigh the risks to your heart from taking calcium supplements?



Are Calcium Supplements Safe?

The unnaturally large, rapid, and sustained calcium levels in the blood caused by calcium supplements may explain why calcium from supplements, but not from food, appears to increase the risk of heart attacks.



Prebiotics: Tending Our Inner Garden

Why does our immune system confuse unhealthy diets with dysbiosis—an overrun of bad bacteria in our colon?



Whole Beets vs. Juice for Improving Athletic Performance

What is the latest science on the performance-enhancing qualities of nitrate-rich vegetables?



Heart of Gold: Turmeric vs. Exercise

Diet and exercise synergize to improve endothelial function, the ability of our arteries to relax normally.



Preventing Brain Loss with B Vitamins?

One week on a plant-based diet can significantly drop blood levels of homocysteine, a toxin associated with cognitive decline and Alzheimer’s disease. Without vitamin B12 supplementation, though, a long-term plant-based diet could make things worse.



Diet and GERD Acid Reflux Heartburn

Which foods should we eat and avoid to prevent and treat acid reflux before it can place us at risk for Barrett’s esophagus and cancer?



Antioxidants and Depression

Neither antioxidant or folic acid supplements seem to help with mood, but the consumption of antioxidant-rich fruits and vegetables and folate-rich beans and greens may lower the risk for depression.



The Role of Diet in Declining Sperm Counts

The ongoing global drop in male fertility may be associated with saturated fat intake and lack of sufficient fruits and vegetables.



PCBs in Children’s Fish Oil Supplements

A study of 13 over-the-counter children’s fish oil supplements found that all were contaminated with PCB pollutants.



Treating Alzheimer’s with Turmeric

What a teaspoon a day of the spice turmeric may be able to do for those suffering from Alzheimer’s disease.



Treating Hepatitis C with Chlorella

Improvements in natural killer cell immune function may explain both the anti-cancer benefits of exercise as well as the apparent anti-virus effects of the green algae chlorella.



Broccoli: Sprouts vs. Supplements

Broccoli sprouts are compared to “Broccomax” supplements.



Turmeric Curcumin & Colon Cancer

What role might the spice turmeric play in both the prevention of precancerous polyps, and the treatment of colorectal cancer?



Cadmium & Cancer: Plant vs. Animal Foods

Though the most concentrated sources of the toxic metal cadmium are cigarette smoke, seafood, and organ meats, does greater consumption from whole grains and vegetables present a concern?



Plants as Intellectual Property – Patently Wrong?

Barriers to patent natural commodities, such as the spice turmeric, keeps prices low—but if no one profits, where is the research funding going to come from?



Treating Asthma with Plants vs. Supplements?

Whole fruits and vegetables were compared to both antioxidant pills, as well as supplements containing fruits and vegetable extracts, for their ability to treat seasonal allergies, improve lung function, and control asthma.



Turmeric Curcumin Reprogramming Cancer Cell Death

The spice turmeric appears to be able to switch back on the self-destruct mechanism within cancer cells.



How to Slow Brain Aging by Two Years

The consumption of blueberries and strawberries is associated with delayed cognitive aging by as much as 2.5 years—thought to be because of brain-localizing anthocyanin phytonutrients, as shown on functional MRI scans.



Food Antioxidants, Stroke, and Heart Disease

The oxidation of high-fat and cholesterol-rich foods in our stomachs may help explain why eating antioxidant packed foods appears to reduce heart attack and stroke risk.



Food Antioxidants and Cancer

Antioxidant intake from foods (not supplements) is associated with lower cancer risk.



Is Fish Oil Just Snake Oil?

Advice to eat oily fish, or take fish oil, to lower risk of heart disease, stroke, or mortality is no longer supported by the balance of available evidence.



Should We Take a Multivitamin?

What does the best available science say about the role multivitamins may play in heart disease, cancer, and longevity?



Who Shouldn’t Consume Curcumin or Turmeric?

Just because something is natural and plant-based doesn’t mean it’s necessarily safe. Those who are pregnant, have gallstones, or are susceptible to kidney stones may want to moderate their turmeric consumption.



Dietary Treatments for Computer Eye Strain

Certain berries may help relieve visual fatigue associated with staring at a computer screen all day.



Greens vs. Glaucoma

Kale and collard greens contain vision-protecting plant nutrients, such as zeaxanthin, that may significantly lower the risk of glaucoma—a leading cause of blindness.



Vitamin B12 Necessary for Arterial Health

The cardiovascular benefits of plant-based diets may be severely undermined by vitamin B12 deficiency.



Mercury vs. Omega-3s for Brain Development

Risk/benefit analysis of 33 fish species contrasts the brain-boosting effects of DHA with the brain-damaging effects of mercury, to determine the net effect on intelligence (IQ).



Enhanced Athletic Recovery without Undermining Adaptation

Might the antioxidant and anti-inflammatory properties of plant-based diets undermine some of the benefits of exercise?



Eggs, Choline, and Cancer

Choline may be the reason egg consumption is associated with prostate cancer progression and death.



Preventing Exercise-Induced Oxidative Stress with Watercress

Those eating a more plant-based diet may naturally have an enhanced antioxidant defense system to counter the DNA damage caused by free radicals produced by high-intensity exercise.



Infant Seizures Linked to Mother’s Spirulina Use

Contamination of spirulina supplements with toxins from blue-green algae raises safety concerns.



Safety of Noni & Mangosteen Juice

Multilevel marketing companies accused of using exaggeration and pseudoscience to promote potentially dangerous products, such as Metabolife and Hydroxycut, by designing studies that appear to purposely mislead consumers.



Mediating Radiation Exposure from Airline Travel

Based on studies of atomic bomb survivors, Chernobyl victims, and airline pilots exposed to more cosmic rays at high altitudes, it appears that fruits and vegetables may decrease radiation-induced chromosome damage.



Should Probiotics Be Taken Before, During, or After Meals?

Proper timing of probiotic supplements may improve their survival.



Preventing the Common Cold with Probiotics?

Though prebiotics may be preferable, probiotics may reduce the risk of upper respiratory tract infections.



Cranberries vs. Cancer

Drug companies and supplement manufacturers have yet to isolate the components of cranberries that suppress cancer cell growth.



Which Fruit Fights Cancer Better?

The ability of eleven common fruits to suppress cancer cell growth in vitro was compared. Which was most effective—apples, bananas, cranberries, grapefruits, grapes, lemons, oranges, peaches, pears, pineapples, or strawberries?



Carnitine, Choline, Cancer, & Cholesterol: The TMAO Connection

Expanding on the subject of my upcoming appearance on The Dr. Oz Show, a landmark new article in the New England Journal of Medicine shows that choline in eggs, poultry, dairy, and fish produces the same toxic TMAO as carnitine in red meat—which may help explain plant-based protection from heart disease and prostate cancer.



Flaxseeds vs. Diabetes

A daily tablespoon of ground flax seeds for a month appears to improve fasting blood sugars, triglycerides, cholesterol, and hemoglobin A1c levels in diabetics.