caffeine

Cycling Nutrition with Monique Ryan: Caffeine and glutamine studies

Dear Monique, Thanks for a great article titled “Feed Your Head.” I have one question though concerning the following statement:Research on caffeine consumption during exercise indicates the 1.5 mg/kg of body weight improves performance.Is that per hour or what time frame? I weigh 87 kg, so is that 130 mg/hr?Thanks,MPCharlotte, NCHi MP,Thanks for your question. While many cyclists and other endurance athletes may consume a moderate caffeine dose about one hour before exercise, consuming some caffeine during exercise, especially in the later part of a long training ride or race is not

Cycling Nutrition with Monique Ryan: Another cup o’ Joe?

Hi Monique,Now that coffee has been recommended as a good source of antioxidants, in moderation, of course, do you have any information regarding how the decaffeinating process may affect the antioxidant effect of coffee?LW Dear LW,As you are aware there was a recent headline grabbing study, which was actually presented at a meeting of the American Chemical Society this past summer. This study received widespread attention and Americans were informed that coffee is the number one source of antioxidants in the American diet. As is often the case, this study begs that we once again “read the

Cycling Nutrition with Monique Ryan: Supplements, recovery and caffeine

Carbohydrate supplements Hi, Monique,Thanks for the info you pass along in your articles, they really help in trying to sort through the tons of info that’s out there on sports nutrition. One quick question for you, though: You refer to a "high-carbohydrate supplement" in your article; can you give me one or two examples of a supplement and what amount of carb/kg you would recommend for consumption one hour before training? Thanks.Peter Hi, Peter,Many of these high-carbohydrate supplements can be consumed in the hour before exercise for a handy source of pre-training fuel. They can

Cycling Nutrition with Monique Ryan: A guide to fluids and salt

In early 2004 the Institute of Medicine’s (IOM) Food and Nutrition Boardreleased Dietary Reference Intakes (DRIs) for water and sodium (potassium,chloride, and sulfate recommendations were also included in this report).You may have heard about these dietary guidelines for Americans and Canadians,which are designed for the average adult who may be sedentary or mildlyactive, not for triathletes and cyclist who training regularly, often formore than two hours per session. In establishing the guidelines, the expertpanel reviewed the scientific literature for quality of the research andthe

Cycling Nutrition with Monique Ryan: Caffeine and coffee

One January 1, 2004, caffeine was removed from the World Anti-DopingAgency prohibited list, after being a “controlled to restricted drug” inthe world of athletic performance for years, and moved to the “monitoringlist.” Prior to this change caffeine urine levels of greater than 12 microgramsper millimeter were considered illegal. The reason for this change, notesWADA, is really very practical. This old limit has always given caffeinea unique position as a “potentially” performance-enhancing drug, implyingthat higher doses of caffeine are required to improve performance. However,this is

Cycling Nutrition with Monique Ryan: Nutrition tips

This is the first in what will become a regular question-and-answer column by sports nutritionist Monique Ryan, MS, RD. Ryan is a regular columnist for VeloNews and Inside Triathlon magazines andis founder of Personal Nutrition Designs, a nutrition consulting companybased in the Chicago area. Readers are welcome to send questions to Ryan at WebLetters@7dogs.com.Question - I am concerned that I may develop sodiumdepletion during my longer rides and runs, and also during competition.It seems that it is a more common problem for cyclists and triathletes.What  can I do to prevent this from