Persistent fatigue can impact every area of life. These supplements are backed by research for supporting natural energy production and reducing tiredness.
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Research highlights
Ranked by evidence strength and effectiveness. Get personalised dosages above.
Only supplement if deficient. Fatigue is a key symptom of iron deficiency.
Methylcobalamin form is preferred. Especially important for vegetarians/vegans.
Ubiquinol form is better absorbed than ubiquinone. Levels decline with age.
KSM-66 or Sensoril are well-studied extracts. Also helps with stress.
Studies show improvements in testosterone, cortisol ratio, and subjective energy. Effects more pronounced in stressed or aging individuals.
Traditional use backed by some clinical evidence for energy and vitality. Ensure purified/tested product to avoid heavy metal contamination.
Berberine may support energy through improved glucose metabolism and AMPK activation. Primary evidence is for blood sugar management, not direct energy improvement.
Evidence ratings based on peer-reviewed clinical research. Individual results may vary.
Our recommendations are based on peer-reviewed clinical research. We evaluate each supplement on effectiveness, evidence quality, safety profile, and value for money across Australian retailers.
Always consult a healthcare professional before starting any supplement regimen, especially if you are taking medications or have existing health conditions.
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Common questions
The most evidence-backed energy supplements available in Australia are: iron (for deficiency, affects ~12% of Australian women), vitamin B12 (for deficiency), CoQ10 (100–200mg for cellular energy), creatine (3–5g daily for both physical and mental energy), and rhodiola rosea (200–600mg for fatigue). The right supplement depends on whether your fatigue is from deficiency, stress, or poor mitochondrial function.
Persistent fatigue despite adequate sleep often points to nutrient deficiency. In Australia, the most common are: iron deficiency (especially in women — get ferritin levels checked, optimal is 50-100ng/mL), vitamin D deficiency (common in southern states), B12 deficiency (especially in vegetarians/vegans), and magnesium deficiency (affects 1 in 3 Australians). A blood test from your GP can identify the cause.
Yes — creatine isn't just for muscles. A 2018 systematic review found creatine monohydrate (3–5g daily) improves cognitive performance, especially under stress or sleep deprivation. It works by increasing phosphocreatine stores in the brain, providing more ATP (cellular energy) for neurons. It's one of the most well-researched supplements with an excellent safety profile.
Iron bisglycinate (or iron glycinate) is the best-absorbed form with fewer gut side effects than iron sulfate. Brands like Thorne Iron Bisglycinate and Life Extension Iron Protein Plus are available through iHerb. For budget options, Blackmores Bio Iron is available at Chemist Warehouse. Take with vitamin C to enhance absorption, and away from tea/coffee which inhibit it. Only supplement if blood tests confirm deficiency.
B vitamins (B12, B6, folate) are essential for energy metabolism, but supplementing only helps if you're deficient. Signs of B12 deficiency include fatigue, brain fog, and tingling. Vegetarians, vegans, and people over 50 are at higher risk. Methylcobalamin is the preferred form of B12. If your levels are normal, extra B vitamins won't boost energy — look at other causes like iron, sleep quality, or stress.
For the afternoon energy crash: L-theanine (100–200mg) provides calm alertness, rhodiola rosea (200mg) combats mental fatigue, and CoQ10 (100–200mg) supports mitochondrial energy production. Creatine (3–5g daily, taken any time) provides sustained cellular energy. Avoid high-dose caffeine supplements late in the day as they'll impair sleep and worsen the cycle.
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