Research Topics
| John N HathcockSummaryAffiliation: Council for Responsible Nutrition Country: USA Publications
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Detail Information
Publications
Role of carnitine in the regulation of glucose homeostasis and insulin sensitivity: evidence from in vivo and in vitro studies with carnitine supplementation and carnitine deficiencyRobert Ringseis
Institute of Animal Nutrition and Nutrition Physiology, Justus Liebig University Giessen, Heinrich Buff Ring 26 32, 35390 Giessen, Germany
Eur J Nutr 51:1-18. 2012..More recent studies even point toward a causative role for carnitine insufficiency in developing insulin resistance during states of chronic metabolic stress, such as obesity, which can be reversed by carnitine supplementation...- Highest Observed Intake: definition, regulatory uses and provisional valuesJohn Hathcock
Council for Responsible Nutrition, 1828 L St, NW, Suite 510, WA 20036, USA
Regul Toxicol Pharmacol 61:115-8. 2011..Endorsement of the concept and development of HOI values by authoritative bodies is likely to be required for broad acceptance and use... 
Expanded approach to tolerable upper intake guidelines for nutrients and bioactive substancesJohn N Hathcock
Council for Responsible Nutrition, Washington, DC 20036, USA
J Nutr 138:1992S-1995S. 2008....- Risk assessment for vitamin DJohn N Hathcock
Council for Responsible Nutrition, Washington, DC 20036 5114, USA
Am J Clin Nutr 85:6-18. 2007..Collectively, the absence of toxicity in trials conducted in healthy adults that used vitamin D dose > or = 250 microg/d (10,000 IU vitamin D3) supports the confident selection of this value as the UL... - Risk assessment for glucosamine and chondroitin sulfateJohn N Hathcock
Council for Responsible Nutrition, Washington, DC 20036 5114, USA
Regul Toxicol Pharmacol 47:78-83. 2007..These values represent the highest levels tested in human clinical trials. The complete absence of adverse effects at these levels supports a confident conclusion of their long-term safety... - Risk assessment for carnitineJohn N Hathcock
Council for Responsible Nutrition, 1828 L St, NW, Suite 900, Washington, DC 20036 5114, USA
Regul Toxicol Pharmacol 46:23-8. 2006..Although much higher levels have been tested without adverse effects and may be safe, the data for intakes above 2000mg/day are not sufficient for a confident conclusion of long-term safety... - Risk assessment for coenzyme Q10 (Ubiquinone)John N Hathcock
Council for Responsible Nutrition, 1828 L Street, NW, Suite 900, Washington, DC 20036 5114, USA
Regul Toxicol Pharmacol 45:282-8. 2006..Much higher levels have been tested without adverse effects and may be safe, but the data for intakes above 1200 mg/day are not sufficient for a confident conclusion of safety... - Vitamins E and C are safe across a broad range of intakesJohn N Hathcock
Council for Responsible Nutrition, Washington, DC, USA
Am J Clin Nutr 81:736-45. 2005.... - Risk assessment for the carotenoids lutein and lycopeneAndrew Shao
Council for Responsible Nutrition, 1828 L St, NW, Suite 900, Washington, DC 20036 5114, USA
Regul Toxicol Pharmacol 45:289-98. 2006..Although much higher levels have been tested without adverse effects and may be safe, the data for intakes above these levels are not sufficient for a confident conclusion of long-term safety... - Risk assessment for the amino acids taurine, L-glutamine and L-arginineAndrew Shao
Council for Responsible Nutrition, 1828 L Street, NW, Suite 900, Washington, DC 20036 5114, USA
Regul Toxicol Pharmacol 50:376-99. 2008.... - Risk assessment for creatine monohydrateAndrew Shao
Council for Responsible Nutrition, 1828 L St, NW, Suite 900, Washington, DC 20036 5114, USA
Regul Toxicol Pharmacol 45:242-51. 2006..Although much higher levels have been tested under acute conditions without adverse effects and may be safe, the data for intakes above 5 g/d are not sufficient for a confident conclusion of long-term safety... - Vitamins and hormone therapy for coronary atherosclerosisJohn N Hathcock
JAMA 289:982; author reply 982. 2003