f winter leaves you permanently wrapped in layers while everyone else seems fine, you’re not imagining it.
Cold hands.
Cold feet.
Cold right down to your bones.
For many women with thyroid issues, especially Hashimoto’s, winter isn’t just a season. It’s when symptoms get louder.
And feeling cold all the time isn’t a personality trait. It’s physiology.
Let’s talk about why winter hits the thyroid harder, and what you can do to gently turn the heat back on.
Why Thyroid Symptoms Get Worse in Winter
Your thyroid plays a central role in:
• Regulating body temperature
• Driving metabolic rate
• Supporting circulation
• Producing cellular energy
When thyroid function is under strain, your internal heating system struggles to keep up.
Add winter into the mix and the demand increases:
• Less daylight
• More stress on the nervous system
• Heavier food needs
• Greater nutrient demand
• Reduced movement
The result? A body that conserves heat instead of generating it.
This is why women with thyroid dysfunction often notice:
• Cold hands and feet
• Feeling chilled after meals
• Needing layers even indoors
• Low energy and sluggish metabolism
Winter Is Not the Time for Cold Food
One of the biggest mistakes I see in winter is eating like it’s still summer.
Cold bodies do not thrive on cold food.
Smoothies, salads and skipped breakfasts can further slow metabolic output, especially if you’re already struggling with thyroid hormone production or conversion.
In winter, warmth starts on your plate.
Focus on:
• Cooked breakfasts
• Soups, stews and slow-cooked meals
• Root vegetables, squash, oats and rice
• Seasonal, local produce
• Warming spices like ginger, cinnamon and cardamom
This isn’t about restriction. It’s about seasonal alignment.
Protein: Your Metabolic Firestarter
Protein plays a key role in:
• Thyroid hormone activity
• Blood sugar balance
• Muscle maintenance
• Heat production
Without enough protein, your metabolism simply doesn’t have the raw materials it needs to generate warmth.
Aim for:
• Protein at every meal
• Especially at breakfast
• Real food sources where possible
If you’re cold and tired, “more coffee” isn’t the answer. More protein usually is.
Blood Sugar Dips = Body Temperature Dips
Many women who feel cold don’t realise their blood sugar is part of the picture.
When blood sugar drops, your body shifts into survival mode. Circulation to hands and feet reduces, energy drops, and warmth disappears.
Signs this might be affecting you:
• Feeling cold or shaky between meals
• Energy crashes mid-afternoon
• Cold hands after eating
Balanced meals with protein, fat and carbohydrates help stabilise blood sugar and support consistent warmth.
Move to Warm, Not to Exhaust
Movement increases circulation, metabolism and heat production, but only when it’s supportive.
In winter, think:
• Daily walks, ideally outdoors
• Walking uphill where possible
• Strength training to build metabolic tissue
• Gentle yoga to support circulation and nervous system balance
You’re warming the system, not punishing it.
The Nervous System Matters More Than You Think
Chronic stress pulls blood away from digestion and extremities.
This means:
• Cold hands
• Cold feet
• Poor digestion
• Slower thyroid hormone conversion
Winter is the season for nervous system support.
Helpful practices include:
• Warm baths or Epsom salt soaks
• Earlier bedtimes
• Red light therapy
• Creating slower evenings
Feeling warm isn’t just about calories. It’s about safety.
Thyroid Nutrients Often Run Low in Winter
Cold sensitivity can also be linked to nutrient depletion.
Common thyroid-related deficiencies include:
• Iron
• Selenium
• Zinc
• Iodine (context-dependent and individual)
Low nutrients can impair thyroid hormone production and conversion, further reducing metabolic heat.
This is why personalised testing matters. Guessing supplements rarely solves the problem long term.
Here's my Quick Tip Winter Warmth Guide
> swap coffee for cacao with coconut milk
Gives me a gentle lift, minus the cortisol chaos (especially before sunrise!)
Things I add to my cacao to take it to next level: cordyceps (energy, thyroid support!), maca (hormones!) and collagen (protein, gut, joints, skin).
> Movement - yoga, strength training, walking outside and uphill - preferably surrounded by nature
> Saunas, hot baths & red light therapy
> Having dinner earlier and going to bed earlier
My metabolism changes with the season, so my mealtimes do too.
As daylight shortens, our metabolism shifts in line with the circadian rhythm, so I attempt to gradually move my dinners earlier and make them lighter and less carb heavy, prioritising lunch as the biggest meal of the day. Eating earlier reduces blood sugar spikes at night and improves sleep and thyroid conversion.
> Soups, stews, roasts and warming foods
Raw, cold foods can be harder to digest in colder months and can leave your system feeling depleted.
Nourishing soups and stews are what my body craves as the weather turns colder, so I do my best to limit salads and cold drinks.
Warming foods in TCM and Ayurveda boost metabolism, enhance circulation, and increase body temperature, making them ideal for winter or relieving cold symptoms (Vata/Kapha in Ayurveda). Key warming foods include: garlic, onions, red meat, root vegetables, chilli, squash oats, rice and nuts. Bonus points for warming herbs and spices like ginger, turmeric, cayenne, cardamom, cinnamon and seasonal, locally sourced foods.
A Simple Winter Warmth Ritual: Hot Cacao
One of my favourite winter habits for supporting warmth is a simple hot cacao.
It’s grounding, nourishing and genuinely warming.
My Go-To Hot Cacao Recipe
Ingredients:
• 1 cup Plenish almond milk
• 1–2 heaped teaspoons raw cacao powder
• 1 teaspoon maple syrup (or honey)
Method:
Gently heat the almond milk
In a mug, mix the cacao powder with a little hot water to form a smooth paste
Pour in the warm milk and stir well
Add maple syrup or honey to taste
Sip slowly. Let your body soften. Warmth works best when the nervous system is calm.
Final Thoughts
If winter leaves you feeling colder, more tired and less resilient each year, your thyroid may need seasonal support.
This isn’t about pushing harder or blaming yourself.
It’s about working with your body, not against it.
Small, consistent changes can make a big difference to how warm, energised and supported you feel through the colder months.

Hello, I'm Sarah!
Welcome to my Blog! I'm a Nutritional Therapist, CNM-trained Functional Medicine Practitioner, and Autoimmune Protocol Coach. Here you can stay informed about the latest research, recipes, and gain valuable tips, or simply enjoy a good read.
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