Hyaluronic Acid Supplement: Benefits, Dosage and Does It Work?
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If you’re struggling right now: this article is about everyday low mood and low energy, not depression. If you’ve felt down most days for more than two weeks, have lost interest in things you usually enjoy, or have any thoughts of harming yourself, please talk to a doctor. In the US, you can call or text 988 (Suicide & Crisis Lifeline) any time, day or night.
Some weeks you just feel flat. Your energy is low, your patience is short, and things that normally lift you don’t quite land. It’s one of the most common experiences there is, and one of the most searched: “what vitamins help low mood?” and “supplements for low mood and energy” are asked thousands of times a month.
The honest answer is that supplements can help in specific situations, especially when a nutrient is genuinely low or when stress is the main driver. But they aren’t a fix for everything, and some popular options have weaker evidence than their marketing suggests. This guide walks through what the research actually shows for B vitamins, magnesium, zinc, vitamin D, ashwagandha, rhodiola and L-theanine, the lifestyle factors that matter even more, and the signs that it’s time to see a doctor instead.
Low mood is a normal human experience. It often has a clear trigger (stress, poor sleep, a hard season, hormonal shifts) and tends to lift within days or a couple of weeks. Depression is a medical condition. It lasts longer, affects daily functioning, and responds best to professional treatment.
See a doctor if:
If you already take an antidepressant or other psychiatric medication, don’t add supplements or stop your medication without talking to your prescriber first. Some herbs can interact with these medicines.
Before reaching for supplements, it’s worth ruling out common physical causes of low mood and tiredness. Ask your doctor about a blood test for:
Hormonal changes (around your period, after having a baby, or during perimenopause and menopause) can also affect mood significantly. These are worth discussing with your doctor too.
B vitamins are essential for producing energy in your cells and for making neurotransmitters such as serotonin and dopamine. A 2019 meta-analysis of 18 studies and more than 2,000 people looked at daily supplements containing at least three B vitamins, taken for four weeks or more (Young et al., 2019). The results were specific:
Many supplements now use “methylated” or active forms of B vitamins (such as methylfolate and methylcobalamin), which the body can use without converting them first. This may be helpful for people with common genetic variations (such as MTHFR) that slow that conversion. For a deeper look at B6, B12, folate and methylated forms, see What B Vitamins Are Good for Mood?
Low vitamin D has been linked with low mood in observational studies, so it’s often suggested for mood. But in the large VITAL-DEP trial, more than 18,000 adults aged 50 and over took 2,000 IU of vitamin D3 or a placebo for about five years. Vitamin D did not reduce the risk of depression or improve mood scores (Okereke et al., 2020). If you’re deficient, correcting it matters for your overall health, but it’s unlikely to lift your mood if your levels are already adequate.
Magnesium plays a role in regulating the stress response and nerve signaling, and many adults don’t get enough from their diet. In a clinical trial of 126 adults with mild-to-moderate depressive symptoms, taking 248 mg of elemental magnesium daily for six weeks improved mood scores by a clinically meaningful amount, with benefits appearing within two weeks. Anxiety scores improved too (Tarleton et al., 2017). One limitation: the trial was open-label, so participants knew when they were taking magnesium.
Magnesium glycinate is a well-absorbed form that’s gentle on the stomach. Learn more in our guide to what magnesium does for the body.
Zinc is involved in brain signaling, and people with low mood often have lower zinc levels. A 2020 meta-analysis found that zinc supplementation lowered depressive symptom scores in randomized trials, and that people with the highest zinc intakes had a lower risk of developing depression in long-term observational studies (Yosaee et al., 2020). Keep total intake at or below 40 mg a day.
Ashwagandha is the best-studied herb for stress. A 2022 meta-analysis of 12 randomized trials with about 1,000 participants found it significantly reduced both anxiety and stress compared with placebo, with stress benefits seen at 300 to 600 mg a day (Akhgarjand et al., 2022). A 2024 meta-analysis also found lower cortisol levels (Arumugam et al., 2024). The authors rated the certainty of evidence as low, mainly because trials varied a lot, so more high-quality research is still needed. Read more in the science of ashwagandha for stress.
Rhodiola rosea is an adaptogen traditionally used for mental and physical fatigue, which makes it especially relevant when low mood comes with low energy. Rhodiola extract is approved by the European Medicines Agency’s herbal committee as a traditional remedy for stress symptoms such as fatigue (Anghelescu et al., 2018). In studies of people with life-stress symptoms and burnout, stress, fatigue and mood measures improved over 4 to 12 weeks (Edwards et al., 2012; Kasper & Dienel, 2017). These were open-label studies without a placebo group, so the results are encouraging rather than conclusive. Not sure which adaptogen suits you? See Rhodiola vs Ashwagandha.
L-theanine, an amino acid found in tea, promotes a sense of calm without drowsiness and is often used for stress and sleep quality. It pairs well with morning caffeine for smoother focus (see L-theanine and caffeine).
| Supplement | Best evidence for | Strength of evidence |
|---|---|---|
| B vitamins (B-complex) | Reducing stress; most helpful if intake is low | Moderate (meta-analysis) |
| Magnesium | Mild-to-moderate low mood and anxiety | Moderate (open-label trial) |
| Zinc | Depressive symptoms, especially if low | Moderate (meta-analysis) |
| Ashwagandha | Stress and anxiety; cortisol | Moderate (meta-analyses, low certainty) |
| Rhodiola | Stress-related fatigue and burnout symptoms | Early (open-label studies) |
| Vitamin D | Correcting deficiency; not mood prevention | Strong evidence of no mood benefit if levels are adequate |
A 2023 overview of 97 reviews covering more than 1,000 trials found that physical activity had medium-sized benefits for depression, anxiety and distress, across healthy adults and people with diagnosed conditions. Higher-intensity activity gave bigger improvements (Singh et al., 2023). Brisk walking, cycling, strength training and dancing all count.
Poor sleep and low mood feed each other. Consistent sleep and wake times, morning light and a wind-down routine make a real difference. Our guide to restorative sleep quality covers the details.
Most of the body’s serotonin is made in the gut, and the gut microbiome communicates with the brain. A fiber-rich, varied diet supports this connection (see how probiotics affect serotonin and mood).
Morning daylight helps set your body clock and energy levels, and time with people you care about is one of the most reliable mood lifters there is. Low mood rarely has a single cause, which is why a combined approach usually works best (why feeling “off” is rarely about one thing).
The Holitro Mood Support Pack brings together five of the ingredients covered in this guide in one daily tear-away pouch: Methyl B-Complex (active-form B vitamins), Magnesium Glycinate, Zinc (25 mg), Ashwagandha (500 mg) and Rhodiola (250 mg). It’s designed to support your body’s stress response and natural energy through busy, demanding seasons. Thirty pouches arrive each month with free shipping.
Want to add L-theanine or adjust ingredients? Use the Custom Pack Builder. Taking an antidepressant or other medication? Please check with your doctor or pharmacist first.
B vitamins have the best evidence among vitamins, particularly for reducing stress and when intake is low. Minerals such as magnesium and zinc also have supportive evidence. Vitamin D is important to correct if you’re deficient, but a large trial found it didn’t improve mood in people with adequate levels.
For low mood with low energy, a B-complex, magnesium and rhodiola are commonly used together, with ashwagandha if stress is a major factor. But first rule out iron deficiency, low B12, low vitamin D and thyroid problems, since these are common and treatable causes of both.
It varies. In studies, magnesium showed benefits within two weeks, and most B vitamin, ashwagandha and rhodiola trials ran for four to twelve weeks. Give any supplement at least a month of consistent use before judging it.
Hormonal shifts can strongly affect mood. Magnesium and B vitamins (especially B6) are sometimes used for premenstrual symptoms. For perimenopause and menopause, talk to your doctor, because there are effective medical treatments and your symptoms deserve a proper assessment.
No. Supplements can support everyday wellbeing, but depression is a medical condition that needs professional care. Never stop or change prescribed medication without talking to your doctor.
If stress is the main driver of how you feel, our guide to the best supplements for stress and anxiety ranks the options by evidence.
If low energy is your main complaint, a simple nutrient deficiency could be part of the picture. Our guide to the best vitamins for tiredness explains which deficiencies to test for first.
If your low mood follows the seasons, read our guide to the best vitamins for seasonal depression and the winter blues.
When you’re feeling flat and tired, the most effective approach is layered. Rule out common physical causes with a blood test, then build the foundations: regular movement, consistent sleep, daylight, good food and connection. On top of that, a few supplements have genuine evidence behind them. B vitamins help with stress, magnesium and zinc support mood, and ashwagandha and rhodiola help the body handle stress and fatigue. And if low mood lingers for more than two weeks or starts affecting your life, reach out to a doctor. That’s a sign of strength, not weakness.
This article is for educational purposes only and is not medical advice. It is not intended to diagnose or treat depression or any other medical condition. *These statements have not been evaluated by the Food and Drug Administration. Holitro products are not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting a new supplement, especially if you are pregnant, nursing, taking medication, or have a medical condition.
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