All Videos for Supplements

Vitamin D and Mortality May Be a U-Shaped Curve

Vitamin D deficiency may shorten one’s lifespan, but getting too much vitamin D may also adversely affect longevity.



Is Vitamin D the New Vitamin E?

The Institute of Medicine’s conservative position on vitamin D is understandable, given the history of hyped vitamin supplements (vitamin A, beta carotene, folic acid, vitamin C, vitamin E) that turned out worthless—or worse.



Evolutionary Argument for Optimal Vitamin D Level

Should the vitamin D levels found in lifeguards be considered the norm for our species, given the fact that we evolved running around naked all day in equatorial Africa?



Fish Oil in Troubled Waters

Major fish oil manufacturers and drug stores are being sued for failing to disclose the PCB pollutants in fish oil supplements.



Multivitamin Supplements & Breast Cancer

New research suggests that multivitamin use may significantly increase the risk of breast cancer and prostate cancer.



Produce, Not Pills, to Increase Physical Attractiveness

Kale works better at boosting antioxidant levels in the skin than synthetic beta carotene, lutein, and mixed carotenoid supplements.



Too Much Iodine Can Be as Bad as Too Little

Excessive intake of kelp (kombu) or thyroid-containing sausages can lead to iodine toxicity.



Pregnant Vegans at Risk for Iodine Deficiency

Disinfectants used to sanitize cow udders may provide a source of iodine for dairy consumers, but can also increase the concentration of pus in milk from cows with staph infection mastitis.



Vegan Epidemic

Vitamin B12 deficiency is common among those eating vegetarian and particularly vegan diets because of failure to take B12 supplements or eat B12-fortifed foods.



American Vegans Placing Babies at Risk

Vitamin B12 is an imperative for those eating vegetarian and vegan diets, especially during pregnancy and infancy.



Did a Vegan Diet Kill This Baby?

Vitamin B12 deficiency can be life-threatening.



Crop Nutrient Decline

How much has the nutrient content of food crops declined over the last 50 years?



Another Update on Spirulina

Potential neurotoxicity is another concern regarding spirulina supplements.



Is Chlorella Good For You?

Chlorella does not have the toxins that may be present in blue-green algae supplements and spirulina.



Update on Spirulina

Concerns about spirulina supplements extend to liver toxicity.



Mercury in Vaccinations vs. Tuna

Balancing the risks and benefits of fish consumption.



Blue-Green Algae & Spirulina

The risks associated with these supplements may outweigh the benefits.