Piet Beekhof

The Effect on Bio-markers of Tissue Toxicity by a Low-dose Multivitamin and Mineral Supplement in Human Volunteers

Eugene Jansen, Piet Beekhof, Misha Vrolijk, Abdonas Tamosiunas, Dalia Luksiene & Migle Baceviciene · European Journal of Nutrition & Food Safety · 2018

The benefits of multi-vitamin and mineral supplements in the (elderly) population are questioned and even adverse side effects have been reported. In the present study, the potential adverse effects of a low-dose of multivitamin and minerals is examined by a biomarker approach in...

Open access Research Article 10.9734/EJNFS/2018/38930

Effects of Higher Doses of Vitamin E on Toxicity and Inflammation

Eugene Jansen, Dale Viezeliene, Piet Beekhof, Eric Gremmer & Leonid Ivanov · European Journal of Nutrition & Food Safety · 2018

High doses of vitamin E close to the upper limit of toxicity (UL) but still recommended and considered as harmless and beneficial, can possibly cause a number of adverse effects. In a 14-day study, in which male mice were exposed to intra peritoneal doses of 100 and 200 mg vitami...

Open access Research Article 10.9734/EJNFS/2018/39438