Time-limited consuming will be an efficient weight reduction technique

February 11, 2021

2 min read

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Source:
Healio interview

Disclosure:
The study was funded by the British Heart Foundation. The authors do not report any other relevant financial information.

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A recent pilot study showed that time-limited eating, a weight management strategy that involves consuming food over a set period of time, is as good as more complex weight loss interventions.

The study’s findings, published in PLoS One, suggest that researchers believe that further studies on this strategy are warranted.

References: Przulj D, et al. Plus one. 2021; doi: 10.1371 / journal.pone.0246186.

In their pilot study, researchers recruited adults who wanted to lose weight in community weight clinics and through advertising, bulletins from university staff, and on social media from February 2018 to June 2018.

Adults were eligible if they had a BMI above 30 kg / m2 or, in addition to comorbidities, a BMI above 28 kg / m2. People with conditions that preclude fasting, including those who had experienced eating disorders, were pregnant or breastfeeding, or who were already on the diet or other fasting weight control strategy, were excluded from the study.

After completing the initial phone calls or emails to check eligibility, participants were weighed and their BP and blood samples taken for lipid profiles on base visits. During this visit, the researchers explained the intervention to the participants.

For the intervention, participants were asked to limit eating to 8 hours per day for 12 weeks. Outside of these 8 hours, participants could drink water, diet drinks, and coffee or tea without milk or sugar.

Participants received follow-up calls at 2, 3, 4, and 5 weeks and had follow-up visits at 6 and 12 weeks.

The mean age of the participants was 50 years and they had an average weight of 97 kg and a mean BMI of 35.

During the study, 64% of participants practiced Limited Time Eating (TRE) at least 5 days a week, and 58% continued doing so into Week 12.

The researchers found that among participants with follow-up data available, participants who stayed on TRE for at least 5 days per week experienced greater weight loss than participants who did not at week 6 (-2.5 kg versus -1 kg, P = 0.003)) and week 12 (-3.5 kg versus -1.3 kg; P = 0.001).

According to the researchers, 26% of participants lost at least 5% of their body weight after 12 weeks at the start of the study. They did not identify any effects on blood pressure or lipid profile.

Healio Primary Care spoke with quince Overwhelm, PhD, Study lead author and research health psychologist in the Department of Health and Lifestyle Research at Queen Mary University in London, UK to learn more about the results and TRE.

Q: What is TRE?

ON: TRE is a form of intermittent fasting in which people only eat within a certain window each day (e.g. from 12 p.m. to 8 p.m.). The rest of the time they fast. No calorie restriction or special diet is required.

Q: Is TRE a viable method for weight loss?

ON: The results of our pilot study suggest that this is feasible. After 12 weeks, around 60% of the participants did TRE at least 5 days a week and lost an average of around 3.5 kg.

Q: What additional research is needed to evaluate the effectiveness of TRE?

ON: The approach must be tested in a randomized controlled trial and with a long-term follow-up period of, for example, 1 year. Further research is needed to determine which fasting time is optimal and whether the timing of eating is important (e.g. early or late).

Q: Which patients would benefit most from TRE?

ON: If TRE is an effective approach to weight loss, it should benefit anyone trying to lose weight. It can be especially good for those people who are struggling to stick to traditional approaches to weight loss that require calorie counting and limitation.

References:

Eurekalert. Successful pilot study on time-limited weight loss plan. https://www.eurekalert.org/pub_releases/2021-01/qmuo-sps012621.php. Accessed February 9, 2021.

Przulj D et al. Plus one. 2021; doi: 10.1371 / journal.pone.0246186.

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