June 17, 2008 -- Eating a 600-calorie breakfast rich in carbohydrates and protein helps dieters lose more weight long term than eating a modest breakfast and
following a lower-carb eating plan, according to a new study.
Breakfast and weight
loss have long been linked, but the new research zeroes in on how to help
dieters stick with a plan and not regain the lost weight by adjusting the
amount of carbohydrates, protein, and calories eaten early in the day.
"Those on the 'big breakfast diet' feel less hungry before lunch and all
day," says Daniela Jakubowicz, MD, an endocrinologist in Caracas,
Venezuela, and a clinical professor at Virginia Commonwealth University in
Richmond, who led the study. She is presenting her findings this week at ENDO
08, the 90th annual meeting of The Endocrine Society in San Francisco.
With colleagues from Virginia Commonwealth University, Jakubowicz assigned
94 obese, physically inactive women, on average in their
30s, to two groups:
The low-carb diet group of 46 women was
instructed to eat a small breakfast totaling about 290 calories that was low in
carbohydrates and typically didn't include bread. A sample breakfast might have
included a cup of milk, one egg, three slices of bacon, and two teaspoons of
butter. When they visited the study center, these women ate breakfast there and
their food was monitored. They ate an average of 1,085 calories a day.
The big-breakfast group of 48 women was told to eat a breakfast of about
610 calories. A sample breakfast: a cup of milk, turkey, cheese, two slices of
bread, mayonnaise, 1 ounce of chocolate candy, and a protein shake. They could
eat the breakfast in stages from the time they got up until 9 a.m. This
group averaged 1,240 calories a day.
Both groups stayed on the diet for four months to lose weight, and then
shifted to maintenance mode for the last four months.
At the four-month mark, the dieters eating the modest breakfast dropped
about 28 pounds, while those on the big breakfast plan lost 23 pounds.
The real differences showed up at the eight-month mark, when the low-carb
dieters had regained an average of 18 pounds and the big-breakfast eaters
continued to lose, dropping another 16.5 pounds on average.
In all, members of the big-breakfast group lost more than 21% of their body
weight; low-carb group members lost 4.5%.
A bonus, says Jakubowicz, is that the big-breakfast dieters reported less hunger and fewer cravings for carbohydrates than the
Big Breakfast Diet
Some of the study findings make perfect sense and are well known to nutrition experts, says Joan Salge Blake, RD, a
spokeswoman for the American Dietetic Association and a professor of nutrition
at Boston University, who reviewed the study for WebMD.