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A Healthier Holiday Season

A Science-Informed Guide to Eating Well, Supporting Clients, and Building Long-Term Habits

Holiday food dining table

For many clients, the holiday season is a combination of celebration, food-centered gatherings, and disrupted routines. As a fitness professional, you play an important role in helping people shift away from the “all or nothing” mindset that often surfaces during this time. This season doesn’t have to feel like a nutritional freefall nor does it require rigid rules or deprivation.

A more empowered approach centers on flexibility, mindful decision-making, and moderation. Instead of strict rules, moderation encourages balance: enjoying holiday favorites while still supporting health through intentional habits. This approach aligns with long-standing recommendations in nutrition psychology, which highlight that sustainable behavior change develops gradually through consistent, manageable actions that reinforce identity and self-efficacy (Prochaska & Velicer, 1997).

A flexible, balanced eating style also aligns with evidence-informed dietary patterns shown to support long-term health. Research suggests that nutrition approaches emphasizing moderation, nutrient density, and mindful intake are associated with reduced risk factors for cardiovascular disease, healthier cholesterol patterns, and more stable glycemic regulation. All of which can support long-term metabolic well-being and help reduce the likelihood of developing type 2 diabetes or other lifestyle-related conditions. While no single eating pattern prevents disease, consistent, balanced habits can support overall health when combined with physical activity, sleep, and other positive daily routines.

With this foundation in mind, here are five science-informed strategies fitness professionals can share with clients to help them navigate holiday eating and continue building sustainable habits that last well beyond December.

Tip 1: Build a Balanced Holiday Plate

A simple visual cue – dividing the plate into thirds (⅓ vegetables, ⅓ protein, ⅓ starch or holiday favorite) – helps clients enjoy holiday meals without tracking or restricting. Holiday foods often skew toward refined carbohydrates, sugar, and saturated fats, which can lead to rapid changes in energy and appetite.

Encouraging clients to anchor their plates with vegetables and lean protein supports slower digestion, steadier blood glucose responses, and more consistent fullness. Vegetables contribute fiber, antioxidants, and essential micronutrients; protein supports satiety and stable energy; and starches or favorite dishes provide satisfaction and connection to tradition.

Long-term benefit for clients

Teaching clients to build balanced meals in a flexible way becomes a year-round tool they can apply in restaurants, at home, or during busy workweeks. Over time, this skill supports more stable eating patterns, reduces overeating episodes, and increases intake of nutrient-dense foods associated with positive long-term health outcomes.

Tip 2: Choose Treats with Intention

Holiday gatherings often include an abundance of desserts and specialty foods available only once a year. Rather than grazing throughout the day, encourage clients to choose one or two treats they truly enjoy and savor them mindfully.

This approach is supported by research on mindful eating, which shows that slowing down and paying attention to food reduces impulsive intake and increases satisfaction. When clients choose intentionally rather than reactively, they strengthen their ability to self-regulate and maintain a positive relationship with food.

Long-term benefit for clients

Intentional indulgence helps break the cycle of guilt, restriction, and rebound eating. Clients learn to trust their internal cues and make food decisions aligned with enjoyment, satisfaction, and well-being. In the long run, this reduces the emotional stress often associated with holiday eating and supports more consistent, balanced decision-making year-round.

Tip 3: Hydrate Before the Event

Hydration plays a meaningful role in appetite regulation, digestion, and cognitive clarity, yet it’s one of the first habits that slips during busy weeks. A simple strategy: encourage clients to drink a full glass of water before leaving for an event or beginning a meal.

Adequate hydration supports metabolic functioning and may help reduce the likelihood of mistaking thirst for hunger. For clients consuming alcohol, hydration also supports better energy regulation and may reduce the impact of alcohol-related dehydration.

Long-term benefit for clients

When clients adopt a consistent hydration routine, they often notice improvements in energy, exercise performance, digestion, and cognitive focus. Over time, this habit becomes an accessible anchor for supporting overall well-being.

Tip 4: Set a “Sustainability Anchor”

A sustainability anchor is a habit clients commit to maintaining even when their schedules shift. During holiday weeks, this may be a daily walk, a morning protein-focused breakfast, a hydration target, or a short mobility routine. Anchors work because they reinforce identity – “I’m someone who prioritizes my health” – even during busy or stressful seasons.

Behavior-change research consistently shows that small, repeatable habits are more effective than episodic periods of perfection. Anchors give clients a sense of control and continuity, especially during a season when routines become unpredictable.

Long-term benefit for clients

Anchors form the backbone of sustainable health behavior. Once clients maintain one reliable habit, they’re more likely to build additional routines over time. These foundational practices improve adherence, build self-trust, and support long-term lifestyle change without overwhelm.

Tip 5: Bring a Nourishing Dish

Bringing a balanced option to a gathering empowers clients to contribute something delicious while ensuring they have access to nutrient-dense foods. This strategy is rooted in environmental nutrition: when healthier foods are available, people are more likely to include them in their meals.

Encourage clients to bring roasted vegetables, a hearty salad, or a protein-rich dish they enjoy. This not only enhances their personal eating experience but also contributes positively to the group.

Long-term benefit for clients

This practice strengthens meal-prep skills, supports autonomy in food environments, and boosts confidence in making choices aligned with their goals. It also reinforces that balanced eating can be festive, flavorful, and communal.

Moving Beyond the Holidays: A Blueprint for Sustainable Nutrition

Holiday nutrition strategies serve as an entry point for long-term, sustainable habits. When clients learn to build balanced plates, make mindful choices, stay hydrated, maintain key habits, and create supportive food environments, they strengthen lifelong skills rooted in moderation, flexibility, and self-awareness.

Balanced, flexible eating is not a seasonal tactic; it’s a foundation for lifelong health. Helping clients practice these strategies now sets the stage for a more empowered, sustainable approach to nutrition in every season ahead.

References

Centers for Disease Control and Prevention. (2022). Healthy eating for a healthy weight. https://www.cdc.gov/healthyweight/healthy_eating/

Dennis, E. A., Dengo, A. L., Comber, D. L., Flack, K. D., Savla, J., Davy, K. P., & Davy, B. M. (2010). Water consumption increases weight loss during a hypocaloric diet intervention in middle-aged and older adults. Obesity, 18(2), 300–307. https://doi.org/10.1038/oby.2009.235

Gardner, B., Lally, P., & Wardle, J. (2012). Making health habitual: The psychology of “habit-formation” and general practice. British Journal of General Practice, 62(605), 664–666. https://doi.org/10.3399/bjgp12X659466

Harvard Health Publishing. (2021). Mindful eating: Savor the flavor to eat less. Harvard Medical School. https://www.health.harvard.edu

Harvard T.H. Chan School of Public Health. (2022). Carbohydrates and blood sugar. https://www.hsph.harvard.edu/nutritionsource/carbohydrates/carbohydrates-and-blood-sugar/

Merrill, A. N., et al. (2020). Rigid vs. flexible dieting and disordered eating: Associations and mechanisms. Appetite, 150, 104639.

Nielsen, L., et al. (2021). Habit formation and behavior change. Annual Review of Psychology, 72, 111–139.

Papies, E. K., Pronk, T. M., Keesman, M., & Barsalou, L. W. (2020). The benefits of simply observing: Mindful attention reduces unhealthy eating through goal priming. Appetite, 146, 104485.

Popkin, B. M., D’Anci, K. E., & Rosenberg, I. H. (2010). Water, hydration, and health. Nutrition Reviews, 68(8), 439–458. https://doi.org/10.1111/j.1753-4887.2010.00304.x

Prochaska, J. O., & Velicer, W. F. (1997). The Transtheoretical Model of health behavior change. American Journal of Health Promotion, 12(1), 38–48.

Slavin, J., & Lloyd, B. (2012). Health benefits of fruits and vegetables. Advances in Nutrition, 3(4), 506–516.

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