If you’re constantly asking yourself, “Why am I always so tired?”, you’re not alone. Fatigue becomes increasingly common as we age, and it’s not just about getting older. It’s often a sign that your body is running low on something essential.
The good news? Once you understand what’s behind the tiredness, you can often turn it around. Here’s a science-backed look at what causes fatigue — and what supplements may help.
💤 Common Causes of Fatigue
Fatigue isn’t just about age. Several things can chip away at your energy levels:
- Low vitamin B12: Needed for energy production and red blood cells. Deficiency is common with age.
- Iron deficiency: Can lead to anaemia and chronic tiredness, especially in women.
- Magnesium deficiency: Affects muscle function, sleep, and energy metabolism.
- Poor sleep quality: Hormonal changes and stress can reduce deep sleep.
- Thyroid issues: Hypothyroidism becomes more common with age.
- Chronic inflammation: Underlying inflammation can drain your energy.
- Medications: Blood pressure meds, antidepressants, and statins can all cause fatigue as a side effect.
If this sounds like you, don’t just power through — there are things you can do.
⚡ Supplements That May Help With Fatigue
These natural supplements can help restore energy levels and support your body as it changes with age.
1. Vitamin B12
- Supports energy production and brain function.
- Absorption declines with age.
- Sublingual sprays or tablets are highly effective.
- Read our Vitamin B12 Guide
2. Iron
- Crucial for red blood cells and oxygen transport.
- Best taken with vitamin C for absorption.
- Get tested before supplementing to avoid overload.
3. Magnesium
- Helps with sleep, muscle recovery, and energy metabolism.
- Glycinate and citrate forms are gentle and effective.
- Best Magnesium Supplements
4. CoQ10
- Supports energy production at the cellular level.
- Often depleted by statin medications.
- May help improve exercise tolerance and reduce fatigue.
- What is CoQ10 and Why Do You Need It?
5. Ashwagandha
- An adaptogen that supports adrenal health and reduces stress.
- May improve sleep and reduce mental fatigue.
- Ashwagandha Benefits Backed by Research
6. Vitamin D
- Low levels are linked to low mood, fatigue, and muscle weakness.
- Especially important in winter months.
- Best Vitamin D Supplements for Adults
🧠 Bonus Tips to Fight Fatigue Naturally
- Get outside daily — sunlight supports vitamin D and circadian rhythm.
- Avoid relying on caffeine after midday.
- Try 10 minutes of walking after each meal to reduce energy dips.
- Eat protein with every meal.
- Prioritise sleep — aim for at least 7 hours.
✅ When to See a Doctor
If supplements and lifestyle changes aren’t helping, ask your GP for blood tests. Conditions like anaemia, thyroid dysfunction, or even sleep apnoea could be underlying causes.
💡 Final Thoughts
Feeling tired all the time doesn’t have to be your new normal. With the right nutrients and a few smart habits, you can feel more like yourself again.
If you’ve been feeling drained, now’s the time to check your nutrient levels, upgrade your sleep routine, and give your body the support it needs.
Looking for help with sleep too? Explore natural sleep supplements like magnesium.
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