If like me you are a Spring or Summer fan the seasonal changes can be a huge blow to your emotional help but even for those who love the darker seasons can encounter an emotional dip. The shift to shorter days and less sunlight can bring on the "winter blues," often referred to as Seasonal Affective Disorder (SAD). While professional help (like CBT or light therapy) is always recommended for a diagnosis and treatment plan, there are many natural lifestyle changes that can offer significant support.
Personally I think the term winter blues lessens the real impact this disorder can have it affects us at a neurochemistry level. The reduced sunlight in winter disrupts the balance of key neurotransmitters and hormones that regulate mood, sleep, and the internal body clock (circadian rhythm).
Key Neurochemical Disruptions in SAD
1. Serotonin Imbalance
The Problem: People with winter-pattern SAD often show reduced levels of serotonin (the "happy" neurotransmitter) activity in the brain.
The Mechanism: Reduced sunlight leads to increased activity of the serotonin transporter (SERT), which is responsible for mopping up and recycling serotonin from the synapses (the spaces between nerve cells). More active SERT means less free serotonin is available to signal between neurons, leading to depressive symptoms like low mood and decreased pleasure.
2. Melatonin Overproduction
The Problem: Melatonin is the hormone that regulates the sleep-wake cycle and is produced by the pineal gland in response to darkness. In SAD sufferers, the change in seasons often disrupts its timing.
The Mechanism: The shorter, darker days cause the body to produce melatonin for a longer period of time than usual, extending the night-like signal into the morning. This overproduction of melatonin contributes to the characteristic SAD symptoms of hypersomnia (oversleeping), fatigue, and low energy.
3. Circadian Rhythm Misalignment
The Problem: The body's internal 24-hour clock (circadian rhythm) is primarily set by morning light hitting the eyes.
The Mechanism: With less intense and shorter morning light in winter, the internal clock can become misaligned (specifically, it may be "phase-delayed"). This means the body feels as if it's still night-time, disrupting the normal timing of hormone release (like cortisol and melatonin) and contributing to persistent fatigue and mood changes.
4. Vitamin D Deficiency
The Problem: The skin produces Vitamin D upon sun exposure, and levels typically drop in winter.
The Mechanism: Vitamin D is believed to play a role in promoting serotonin activity in the brain. Lower Vitamin D levels may exacerbate the serotonin deficiency, further contributing to depressive symptoms.
In essence, the limited winter light causes a cascade of effects that disrupt the finely tuned daily and seasonal rhythms of the brain's mood and sleep chemicals.
There are some natural and effective ways to help manage SAD symptoms that can easily be incorporated into a daily routine.
Holistic Lifestyle Strategies
These foundational practices are essential for mood regulation during the darker months:
- Maximize Natural Light Exposure:
- Get Outdoors: Try to spend at least 10–20 minutes outside each day, especially in the morning, even if it's cloudy. This can help regulate your circadian rhythm.
- Brighten Your Environment: Open curtains wide, sit near windows, and make your home and workspace as light and airy as possible. Consider using a 10,000‑lux light therapy box (SAD lamp) seated at arm’s length for 20 to 30 minutes.
- Prioritize Movement & Exercise:
- Stay Active: Regular physical activity is a natural mood booster, releasing "feel-good" endorphins. Aim for at least 30 minutes of moderate exercise a few times a week.
- Outdoor Exercise Bonus: If possible, combine your exercise with your outdoor light exposure for double the benefit!
- Support Your Diet:
- Nutrient-Rich Foods: Focus on a balanced diet rich in whole grains, fruits, vegetables, and lean proteins.
- Boost Serotonin: Include foods high in the amino acid tryptophan (like oats, bananas, nuts, and seeds), a precursor to the mood-regulating neurotransmitter serotonin.
- Omega-3s: Fatty acids found in chia seeds and walnuts are known to support brain health.
- Optimize Sleep and Routine:
- Consistent Schedule: Maintain a regular sleep-wake schedule to help regulate your body's internal clock.
- Worry Management: Practice mindfulness, deep breathing, or journaling to manage stress, which can often worsen SAD symptoms.
🌱 Targeted Support with Essential Oils & Supplements
Essential oils and targeted nutritional supplements can be powerful allies in managing mood and energy levels.
Listen to my podcast on The Adaptiv Blend & how it helps to lift mood.
Essential Oils for Mood
Aromatherapy works by stimulating the olfactory system, which is directly connected to the brain's limbic system (the center of emotion and memory).
- Uplifting & Energizing
- Oils: Citrus Oils (Wild Orange, Lemon, Grapefruit), Peppermint, Citrus Bliss® Blend
- Usage: Diffuse in the morning or early afternoon to promote optimism and focus.
- Calming & Grounding
- Oils: Lavender, doTERRA Balance® Blend, Cedarwood, Frankincense
- Usage: Apply or diffuse Balance to the bottom of your feet or wrists for a sense of calm.
- Support for Stress/Anxiety
- Oils: Adaptiv® Blend, Lavender, Serenity® Blend, Serenity® softgels
- Usage: Use the Adaptiv Calming Blend topically or diffuse it to help adapt to daily stressors. Take an Adaptiv capsule daily. Diffuse Serenity at night for a restful environment. Take a Serenity Capsule at night.
- Reduced Sad Feelings
- Oils: Lavender, Clary Sage, Lemon (Oils high in Linalool and Beta-Pinene)
- Usage: Diffuse these oils, or apply diluted to the wrists and pulse points
Quick emotional reset: 60‑second breathe-breaks with Balance or Citrus Bliss during afternoon slumps.
Key Supplements for SAD Support
Nutritional deficiencies, especially during winter, can contribute to low mood. Always consult a healthcare professional before starting any new supplement regimen.
- Vitamin D: Often called the "sunshine vitamin," Vitamin D plays a crucial role in mood regulation. Since sunlight exposure is limited in winter, supplementation is widely recommended. Check your levels and discuss appropriate dosing (often 1,000 to 4,000 IU daily) with your doctor.
- Mushrooms are a rich source of vitamin D. After buying, you can increase the vitamin D content by placing fresh mushrooms on a tray in direct sunlight for 15–120 minutes before eating them.
doTERRA Lifelong Vitality Pack (LLV): This system is designed to provide comprehensive foundational nutrition, including:
- Alpha CRS+®: Supports healthy cell function, energy, and mental clarity.
- xEO Mega®: Provides essential Omega-3 fatty acids, which are vital for brain health and mood support.
- Microplex VMz®: Delivers a balanced blend of essential vitamins and bioavailable minerals, including B vitamins, which are crucial for neurotransmitter production.
VMG+ Read more about this Green Smoothie Supplement here https://www.thehealthfuldoctor.com/blog/2025/6/1/supercharge-your-wellness-the-revolutionary-benefits-of-doterra-vmg/
Safety and notes
Citrus oils can be photosensitive on skin; if applying where sun hits, dilute and avoid direct sun for 12 hours.
If you use medications or have a mental health diagnosis, check in with your clinician before starting supplements or under‑the‑tongue oil use.
Reassess at week 4 and week 8
Track sleep quality, morning energy, afternoon mood, and motivation.
Want to get the essential oils I mention? Pop to my store and discover the transformative benefits of essential oils - why not also explore my doctor-curated kits and bonuses which include a FREE personalised plan for you to support your journey.
As a medical doctor specialising in integrative health, essential oils, and animal behaviour, I offer tailored consultations designed to empower you and your beloved pets.
Follow On Social Media
Please remember: Information shared is for educational purposes and not a substitute for medical or veterinary advice. Always consult with a qualified professional for specific health concerns.