Table of Contents
- Introduction
- The Science of Circadian Rhythms
- The Case for the Early Morning Workout
- Peak Performance: The Afternoon and Evening Window
- Nutrition and Hydration Timing
- The BUBS Philosophy: Consistency Over Perfection
- How to Choose Your Ideal Window
- Practical Considerations for Any Time of Day
- Conclusion
- FAQ
Introduction
Did you know that your body temperature fluctuates by about two degrees throughout a twenty-four-hour cycle, hitting its lowest point just before dawn and peaking in the late afternoon? This subtle internal shift might seem negligible, but it influences everything from your reaction speed and lung capacity to your mental focus and metabolic rate. It raises a question that has sparked countless debates in gyms, locker rooms, and scientific journals: what’s the best time to do workout? While the short answer is "the time you can stick to," the long answer is far more nuanced, involving a complex interplay of biology, psychology, and personal lifestyle.
At BUBS Naturals, we believe that wellness is an adventure, one that requires a foundation of clean, high-quality nutrition and a commitment to showing up for yourself every single day. Our brand was born out of a desire to honor the legacy of Glen “BUB” Doherty—a Navy SEAL, an adventurer, and a friend who lived his life with purpose and high standards. In that spirit, we don’t just settle for “good enough” when it comes to our supplements or our training. We strive for excellence, whether that’s through our Collagen Peptides being rigorously tested by NSF for Sport or our commitment to donating 10% of our profits to veteran-focused charities. We know that every minute of your day counts, and understanding the science behind timing your physical activity can help you maximize your results and feel your best.
In this exploration, we are going to dive deep into the biological rhythms that dictate our energy levels. We will examine the metabolic advantages of early morning movement, the performance peaks that occur in the afternoon, and the stress-relieving benefits of evening exercise. We’ll also look at how nutrition and supplementation can support these different windows of activity. By the end of this article, you will have a comprehensive understanding of how to align your fitness goals with your personal schedule and biological clock. Whether you are looking to support your body’s natural functions or simply find more consistency in your routine, we are here to provide the science-backed insights you need to make an informed decision.
The Science of Circadian Rhythms
To understand when the best time to do workout is, we first have to understand the internal clock that governs our lives. Every human being operates on a circadian rhythm—a 24-hour cycle that manages physical, mental, and behavioral changes. These rhythms are primarily influenced by light and darkness in our environment, but they are also shaped by our habits and genetics.
The master clock, located in the hypothalamus of the brain, sends signals throughout the body to regulate everything from hormone secretion to heart rate. For instance, in the early morning, our bodies release a surge of cortisol to help us wake up and feel alert. As the sun goes down, melatonin production begins to increase, signaling to our systems that it is time to wind down. Intervening in these cycles with high-intensity exercise can have various effects depending on the timing.
Our body temperature is one of the most significant factors in this equation. Generally, our core temperature is at its lowest around 4:00 AM or 5:00 AM. As we wake and begin our day, it rises steadily, peaking between 2:00 PM and 6:00 PM. Why does this matter for your workout? Warm muscles are more flexible, they have better blood flow, and they are generally more resistant to injury. This is why many professional athletes find their peak performance—measured in power, speed, and endurance—happens in the late afternoon.
However, biology isn't the only player. Your "chronotype"—whether you are a "morning lark" or a "night owl"—plays a massive role in how you perceive exertion. If you are a natural morning person, you might find that you can push yourself harder at 6:00 AM than you ever could at 6:00 PM, regardless of what your body temperature says. We believe in working with your body, not against it, which is why we offer versatile tools like our Collagen Peptides to support your joints and recovery no matter when you choose to sweat.
The Case for the Early Morning Workout
There is a unique sense of accomplishment that comes with finishing a workout before the rest of the world has even hit the snooze button. For many of us, the morning is the only time we have total control over our schedules. Once the emails start rolling in and the kids wake up, the window for self-care often begins to close.
Metabolic Advantages and Fat Oxidation
One of the most frequently cited benefits of morning exercise is its impact on metabolism. Some studies suggest that exercising in a "fasted" state—first thing in the morning before breakfast—can increase fat oxidation. This doesn't necessarily mean you'll lose more weight over the long term (that still comes down to your total caloric balance), but it does mean your body becomes more efficient at utilizing stored fat for energy during the session.
To support this early morning energy without a heavy meal that might cause digestive discomfort, many in the BUBS community turn to a cup of coffee blended with our MCT Oil Creamer. The medium-chain triglycerides provide a quick, clean source of energy for the brain and body, helping you power through a sunrise run or a weightlifting session without feeling sluggish.
Consistency and Mental Clarity
Beyond the physiological effects, the psychological boost of a morning workout is undeniable. Completing a difficult task early in the day sets a positive tone for everything that follows. It builds a "win" into your morning, which can improve your mood, focus, and productivity throughout the workday. Furthermore, research indicates that those who exercise in the morning are more likely to stay consistent with their routines. When you make your workout the first priority, there are fewer opportunities for daily stressors to derail your commitment.
If you are transitioning to a morning routine, don't forget that your body is naturally stiffer when you first wake up. A thorough warm-up is essential. We also recommend incorporating Vitamin C into your morning ritual, which supports antioxidant activity and collagen formation, helping your body prepare for the physical stress of the day.
Sleep Quality and Circadian Alignment
Interestingly, morning exercise may actually help you sleep better at night. By exposing yourself to physical stress and daylight early in the day, you reinforce your body’s natural circadian rhythm. This can help you feel more tired when evening rolls around, making it easier to fall asleep and improving the quality of your restorative deep sleep.
Peak Performance: The Afternoon and Evening Window
While the morning offers peace and consistency, the afternoon and early evening are when the human body is arguably at its most capable. If your goals are centered around hitting a new personal record in the squat rack or shaving seconds off your sprint time, the window between 2:00 PM and 6:00 PM might be your best bet.
Optimal Muscle Function and Strength
As mentioned earlier, your core body temperature peaks in the late afternoon. This elevation in temperature acts as a natural "warm-up" for your muscles and joints. When your muscles are warmer, they exhibit increased enzyme activity and higher muscle fiber conduction velocity. In simpler terms: you are literally stronger and more powerful during this window.
Studies have shown that grip strength, vertical jump height, and lifting capacity are all significantly higher in the afternoon compared to the early morning. For those focusing on power and training performance, supplementing with Creatine Monohydrate can further enhance these results, providing the cellular energy needed for high-intensity bursts of strength.
Reaction Time and Lung Efficiency
The afternoon is also when your reaction time is at its quickest and your lung function is at its peak. This makes it an ideal time for high-intensity interval training (HIIT), team sports, or complex movements that require a high degree of coordination. Your heart rate and blood pressure are also often at their lowest relative to exertion during this period, which can theoretically improve your endurance and reduce the perceived strain on your cardiovascular system.
Decompressing After the Day
For many, the gym serves as a "third space"—a transition between the demands of work and the relaxation of home. An evening workout can be an incredibly effective way to process the stress of the day. Instead of carrying the frustrations of a long commute or a difficult meeting into your evening, you can leave them on the gym floor.
However, we must address the common concern that evening exercise disrupts sleep. While intense training very close to bedtime can raise cortisol and adrenaline, making it hard for some to wind down, many people find that a moderate evening session actually helps them relax. The key is to listen to your body and give yourself at least ninety minutes to two hours between the end of your workout and the time you hit the hay.
Nutrition and Hydration Timing
Regardless of when you decide to train, your performance and recovery are heavily dependent on how you fuel. One of our core missions at BUBS Naturals is to provide simple, effective ingredients that mix easily into your life, ensuring you never have an excuse to skip the nutrients your body craves.
The Role of Electrolytes
Hydration is not just about drinking water; it’s about maintaining the balance of minerals that allow your muscles and nerves to function. When you sweat, you lose more than just fluid—you lose sodium, potassium, and magnesium. This is why we developed Hydrate or Die - Lemon. Whether you’re training in the heat of the afternoon or starting a dry-fasted morning run, replenishing these electrolytes is vital for preventing cramps and maintaining energy levels.
Post-Workout Recovery
Recovery is where the actual "gains" happen. When you exercise, you create micro-tears in your muscle fibers and put stress on your connective tissues. To repair this damage, your body needs high-quality protein and amino acids. Our Collagen Peptides are a perfect post-workout addition because they are hydrolyzed, meaning they are broken down into smaller peptides that are easier for your body to absorb.
Mixing a scoop of Collagen Peptides into your post-workout shake or even just a glass of water helps support your joints, skin, and overall recovery. Because our collagen is pasture-raised and grass-fed, you can trust that you are putting only the cleanest ingredients into your body—no fillers, no BS, just the results you’re looking for.
Daily Wellness Habits
Sometimes, the best thing you can do for your workout performance happens hours before you even reach the gym. Supporting your digestive health and stable energy levels throughout the day is key. For a convenient daily habit, many of our athletes use Apple Cider Vinegar Gummies. Made with "the Mother," these gummies are a great way to support general wellness without the harsh taste of liquid vinegar.
The BUBS Philosophy: Consistency Over Perfection
In our search for the "perfect" time to work out, it is easy to get bogged down in the minutiae. We can analyze studies and look at hormone charts until we are blue in the face, but the truth is that the most effective workout is the one that actually happens.
Glen “BUB” Doherty didn’t live his life by waiting for the perfect conditions; he lived it by being prepared for any conditions. Whether he was on a mission or on a surfboard, he brought a level of dedication and spirit that we strive to emulate in everything we do. That’s why we follow the 10% Rule—donating a portion of every sale to help those who serve. We believe that when you have a purpose larger than yourself, finding the "time" to take care of your health becomes a non-negotiable part of your mission.
If your schedule only allows for a 15-minute session at 11:00 PM, then for you, 11:00 PM is the best time to do workout. If you are a parent who can only find time at 5:00 AM, then that is your peak performance window. The goal isn't to be a slave to a scientific chart; the goal is to create a lifestyle that is sustainable, adventurous, and fulfilling.
We take the guesswork out of the equation by ensuring our supplements are NSF for Sport certified. This means they are rigorously tested to ensure they contain exactly what is on the label and nothing else—no banned substances, no hidden additives. This level of quality gives you the confidence to push your limits, knowing your foundation is solid. Whether you’re using our Collagen Peptides to support your joints or our MCT Oil Creamer for mental clarity, you are choosing products backed by a commitment to excellence.
How to Choose Your Ideal Window
If you are still unsure about which time of day is right for you, we suggest a period of experimentation. Your body is the best laboratory you will ever have access to. Here is a simple way to find your "sweet spot" over the course of a few weeks.
Week 1: The Early Bird Trial
Set your alarm an hour earlier than usual and commit to a morning routine. Pay close attention to how you feel during the session. Are you sluggish, or do you find that the movement wakes you up? More importantly, track your energy levels and mood for the rest of the day. Do you feel more productive at work? Do you find yourself making better food choices? Don't forget to support this transition with proper hydration. A serving of Hydrate or Die - Mixed Berry first thing in the morning can help shake off the nighttime dehydration and get you ready for action.
Week 2: The Afternoon Power Test
If your schedule allows, try moving your workouts to the 4:00 PM or 5:00 PM window. Use this week to focus on your "big" lifts or high-intensity sessions. Note if you feel stronger or more flexible. Many people find that their "perceived exertion"—how hard the workout feels—is lower in the afternoon, even if they are lifting heavier weights. This is the perfect time to see how Creatine Monohydrate can support your strength goals.
Week 3: The Evening Decompression
Try working out after your daily responsibilities are finished. Focus on how it affects your stress levels and your ability to sleep. Some people find that a late-night session is the only way to "shut off" their brain from work mode. If you choose this route, make sure you are still prioritizing your post-workout nutrition. A quick serving of Collagen Peptides before bed can provide the amino acids your body needs for overnight repair without being heavy on the stomach.
Assessing the Results
After these three weeks, look back at your notes. Which window felt the most sustainable? Which one made you feel the best throughout the day? The intersection of physical performance and life-compatibility is where your answer lies. Remember, this can change as your life changes. Your ideal workout time as a single professional might be very different from your ideal time once you have a family or a different career path. Adaptability is a hallmark of wellness.
Practical Considerations for Any Time of Day
While we've covered the biological and psychological aspects, there are some logistical realities to consider when choosing when the best time to do workout is for your specific situation.
- Gym Traffic: If you value your time, you might want to avoid the "rush hour" at the gym, which usually falls between 5:00 PM and 7:00 PM. Working out midday or early morning can often save you 20-30 minutes of waiting for equipment.
- Temperature Control: If you exercise outdoors, the time of day is dictated by the weather. In the summer, early morning or late evening is essential for safety. In the winter, the midday sun might be the only time it's warm enough to enjoy a run.
- Social Support: Some people are more motivated when they work out with friends or in a class. If your favorite yoga instructor only teaches at 6:00 AM, or your running club meets at 6:00 PM, that social connection might be the most important factor in your consistency.
- Family Life: For those with children, the "best" time is often whichever time allows you to be fully present for your family later. This often makes the early morning the winner, as it allows you to finish your self-care before the household wakes up.
No matter the time, keeping your "kit" ready is a great way to reduce friction. Keep your tub of Collagen Peptides on the counter where you can see it, and have your travel packs of MCT Oil Creamer ready in your gym bag. Small habits like these make it easier to stay on track.
Conclusion
Finding the best time to do workout is a journey of self-discovery. Science tells us that our bodies are biologically primed for strength and power in the afternoon, yet many of the most successful and consistent exercisers swear by the early morning. The truth is that both windows offer incredible benefits, from the metabolic boost and mental clarity of a sunrise session to the peak physical performance and stress relief of an evening burn.
Ultimately, your "best" time is the one that aligns with your values, your schedule, and your commitment to your own well-being. At BUBS Naturals, we are proud to be a part of that journey. We don't just make supplements; we provide the fuel for a life well-lived. By choosing products like our Collagen Peptides, you are supporting your body's natural resilience and honoring a legacy of adventure and service.
We encourage you to take what you’ve learned here and apply it with the same discipline and spirit that Glen Doherty brought to his life. Don't worry about being perfect; just worry about being consistent. Whether you’re mixing MCT Oil Creamer into your pre-workout coffee or rehydrating with Hydrate or Die after a long afternoon trail run, know that you are doing the work that matters.
Ready to optimize your routine? Explore our full Collagen Peptides Collection and find the perfect fit for your lifestyle. One scoop, one workout, one day at a time—feel the BUBS difference and live your life with purpose.
FAQ
1. If I work out in the morning, do I have to exercise on an empty stomach? Not necessarily. While some people enjoy the fat-burning benefits of fasted cardio, others find they need a bit of fuel to perform their best. If you find yourself hitting a wall, try a light snack or simply add some MCT Oil Creamer to your coffee. It provides quick energy from healthy fats without the heaviness of a full meal, helping you stay focused and energized during your session.
2. Will working out late at night prevent me from falling asleep? It depends on the individual and the intensity of the workout. High-intensity training increases your heart rate and core temperature, which can signal to your brain that it’s time to be alert. However, many people find that moderate exercise actually improves their sleep quality. The best approach is to finish your session at least two hours before bed and follow it up with a recovery ritual, like a shake containing Collagen Peptides, to help your body transition into repair mode.
3. Is it true that I’m stronger in the afternoon? For most people, yes. This is due to the natural peak in core body temperature that occurs between 2:00 PM and 6:00 PM. Warmer muscles are more efficient and powerful. If you are training for maximum strength or explosive power, you might find your best results during this window. To further support these high-performance sessions, consider adding Creatine Monohydrate to your supplement stack to help with ATP production and muscle energy.
4. How does hydration change depending on what time I work out? Your hydration needs remain high regardless of the hour, but the context changes. In the morning, you are often waking up in a dehydrated state, so drinking electrolytes like Hydrate or Die is crucial to "restart" your system. In the afternoon, your core temp is higher, and you may sweat more, requiring diligent replenishment during and after your session. Always listen to your body’s thirst signals and aim for consistent fluid intake throughout the day.
Written by:
BUBS Naturals
Creatine Monohydrate
BUBS Boost Creatine Monohydrate delivers proven performance backed by decades of science. Sourced exclusively from Creapure®, the world’s most trusted creatine monohydrate made in Germany under strict quality controls. No hype, no fillers—just pure creatine monohydrate, the gold standard for strength, endurance, and recovery. It powers every lift, sprint, and explosive move by recycling your body’s ATP for more energy, faster recovery, and lean muscle growth. Beyond the gym, it supports focus and clarity under stress or fatigue. Trusted by tactical and everyday athletes, and recognized by the International Society of Sports Nutrition, BUBS Boost Creatine keeps you strong, sharp, and ready to show up when it matters most.
Starts at $43.00
Shop