Key Takeaways
- Dark chocolate contains nutrients and antioxidants that benefit multiple aspects of health, including heart health, weight management, and mood.
- Although research is limited, consuming dark chocolate in the morning could boost your mood and support heart health. For weight loss, the afternoon may be best to help reduce cravings.
- Consume it in moderation as part of a nutritious diet and watch for added calories and sugar.
Dark chocolate is more than just a sweet treat—it’s loaded with nutrients and antioxidants that can support your mood, heart health, and weight goals. Eating it at certain times of day may help you maximize those benefits.
1. Best Time for Mood Enhancement
You may want to consider a dark chocolate pick-me-up snack in the afternoon, when mood and energy levels tend to dip. Dark chocolate’s caffeine and natural stimulants can lift mood and help you get through a mid-afternoon slump, without triggering a noticeable blood sugar crash.
Dark chocolate may improve mood by supporting the gut microbiome (environment of bacteria in the digestive tract). In one study, people who consumed dark chocolate with 85% cocoa content experienced a mood boost, while the group that consumed the sweet treat with 75% cocoa did not. Researchers connected this to higher levels of healthy gut bacteria.
Other research shows that the polyphenol antioxidants found in cocoa offer mood-boosting stress relief by lowering the stress hormones cortisol and epinephrine.
2. Best Time for Weight Loss
The best time to eat dark chocolate for weight loss is likely in the morning. One study showed that participants who ate chocolate earlier did not gain weight. Additionally, they experienced:
- Reduced cravings for sweets
- Decreased appetite
- Lowered fasting blood sugar levels
- Smaller waist circumference
Research suggests that dark chocolate’s anti-inflammatory and anti-obesity properties may contribute to weight loss by boosting the body’s energy expenditure.
Other antioxidants and minerals (like copper and manganese) can further support weight management by improving circulation, metabolism, and energy production.
3. Best Time for Heart Health
Consuming dark chocolate in the early part of the day, such as the morning or early afternoon, may be best for heart health benefits. Chocolate consumption in the morning helps regulate blood sugar levels and decrease cravings compared to eating it in the evening.
Studies suggest that dark chocolate is linked to a reduced risk of heart disease, heart attack, and stroke. Research also found that consuming more chocolate regularly was linked to a 37% lower risk of developing heart disease and a 29% decreased risk of having a stroke.
Dark chocolate’s flavonols offer multiple heart health benefits, including:
- Relaxing blood vessels
- Lowering blood pressure
- Reducing inflammation
Dark Chocolate Nutrition
A 1-ounce (oz) serving of 70% to 85% dark chocolate contains:
- Calories: 170
- Fat: 12.1 grams (g)
- Protein: 2.21 g
- Fiber: 3.09 g
- Carbohydrates: 13 g
- Sugar: 6.8 g
- Copper: 0.5 milligrams (mg)
- Iron: 3.37 mg
- Magnesium: 64.6 mg
- Zinc: 0.93 mg
Health Concerns
A 2024 study of dark chocolate and cocoa products available in the United States found high levels of heavy metals like cadmium, lead, and arsenic. However, a single serving of dark chocolate per day is unlikely to be of concern for most people. Children, pregnant people, and individuals with preexisting health conditions are more at risk.
Talk with a healthcare provider if you have questions about whether dark chocolate is appropriate for your diet and health.
Tips for Consuming Dark Chocolate
No matter what time of day you consume dark chocolate, here are a few ways you can add it to your diet:
- Pair it with nuts, unsweetened dried fruit, or granola to make a trail mix
- Dip it into peanut butter for added protein
- Melt and drizzle it onto fresh fruit, like bananas or strawberries
- Use it in place of milk chocolate in baked goods
You may also want to keep in mind the following tips to get the most out of dark chocolate’s benefits:
- Avoid added sugar: Typically found in dark chocolate products that contain lower percentages of cocoa or include flavors like caramel
- Be mindful of caffeine: Stimulant compounds are naturally present in dark chocolate
- Check the caloric content and adjust portion sizes: Dark chocolate has the potential to be higher in calories.
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