Some stress is a normal part of life. A deadline, a difficult conversation, a sick child. Your body is built to handle those short bursts. The trouble comes when stress never really lets up: long hours, money worries, caregiving, a job that keeps asking for more. Over months, that kind of strain can affect your sleep, mood, digestion, blood pressure and the way you eat. Supplements are heavily marketed for stress, so it is worth separating what helps from what is just a nice-looking bottle.
Signs that stress is wearing you down
- Trouble falling or staying asleep.
- Feeling tired but wired.
- Irritability or feeling on edge.
- Headaches, tense shoulders or jaw clenching.
- Changes in appetite.
- Relying more on caffeine, alcohol or sugar to get through the day.
- Losing interest in things you usually enjoy.
If you feel hopeless, overwhelmed or have thoughts of harming yourself, please reach out for help right away. In the US, you can call or text 988 to reach the 988 Suicide and Crisis Lifeline at any time.
What helps most
These are not glamorous, but they have the strongest evidence:
- Sleep. Protect seven to nine hours where you can. Keep a regular bedtime and wake time.
- Movement. Even a 20-minute walk lowers stress and improves mood. Regular exercise is one of the most reliable stress relievers there is.
- Talking to someone. A friend, family member, counselor or support group. Therapy approaches such as cognitive behavioral therapy are well studied for stress and anxiety.
- Breathing and relaxation. Slow breathing, where you breathe out for longer than you breathe in, can calm your nervous system within minutes.
- Cutting back on caffeine and alcohol, both of which can worsen anxiety and sleep.
- Regular meals. Skipping meals and riding blood sugar swings can make you feel more irritable and anxious.
- Saying no to some commitments. Easier said than done, but often the most effective move.
Supplements that are worth a look
Magnesium
Magnesium plays a role in the nervous system, and low intake is common. Some small studies suggest magnesium may help with mild anxiety and stress, particularly in people who are low. The evidence is promising but not strong. Magnesium glycinate is often chosen because it is gentle on the stomach. Keep supplemental magnesium at or below 350 mg a day unless your doctor advises otherwise, and talk to your doctor first if you have kidney disease. See our magnesium guide and magnesium glycinate vs citrate.
L-theanine
L-theanine is an amino acid found in tea. Small studies suggest doses of around 200 mg may help people feel calmer without drowsiness, and it may take the edge off caffeine jitters. It is generally well tolerated. See our L-theanine page.
Ashwagandha
Ashwagandha is an herb used in traditional Indian medicine. Several small trials found it reduced self-reported stress and improved sleep compared with placebo. However, there have been rare reports of liver injury, it may affect thyroid hormone levels, and it should be avoided in pregnancy. Talk to your doctor before trying it, especially if you have a thyroid condition or take other medicines. See our ashwagandha page and the NIH's ashwagandha fact sheet.
B vitamins
Stress formulas often contain large doses of B vitamins. If you are low, correcting it can help with energy, but there is little evidence that extra B vitamins reduce stress in people who already get enough. Watch the vitamin B6 dose, because long-term high doses can cause nerve problems. See what % Daily Value means.
What to be cautious about
- Products promising instant calm or that work "like a prescription."
- Blends with many herbs in small, undisclosed amounts.
- Kava, which has been linked to liver damage.
- Combining calming supplements with alcohol or sleep medicines.
The bottom line
The most powerful tools for chronic stress are sleep, movement, connection and setting limits. Magnesium, L-theanine and ashwagandha have some evidence and may help as a small extra, but they work best alongside those basics, not instead of them. If stress is affecting your daily life, talking to a doctor or counselor is a sign of strength, not weakness.