Supplement guides for Australians
Short, cited, general-information guides: what the evidence says, official upper limits, and checked Australian prices.
- Creatine in Australia: evidence and prices
Creatine monohydrate is one of the most-studied sports supplements. Evidence reviewed by NIH ODS suggests it may help with repeated short,… - Magnesium in Australia: evidence and prices
Magnesium is an essential mineral found in leafy greens, legumes, nuts, seeds and wholegrains. Upper limits for adults apply to magnesium… - Vitamin D in Australia: evidence and prices
Vitamin D comes mostly from sun exposure, plus some foods and supplements. healthdirect says low vitamin D is found with a blood test and… - Omega-3 (fish oil) in Australia: evidence and prices
A large Cochrane review (86 trials, about 162,800 people) found that increasing long-chain omega-3 had little or no effect on all-cause… - NMN (nicotinamide mononucleotide) in Australia: evidence and prices
NMN is a precursor of NAD+ that is popular in longevity circles. A 2026 meta-analysis of 15 short trials (14 days to 24 weeks) found it was… - Zinc in Australia: evidence and prices
Zinc is an essential mineral. The Australian/NZ adult upper limit is 40 mg/day, and long-term high intake can cause copper deficiency.… - Is NMN legal in Australia?
We found no entry for NMN (nicotinamide mononucleotide) in the Australian Poisons Standard (October 2026), and NMN products are listed for… - Is DHEA legal in Australia?
In Australia, DHEA (prasterone) is listed in Schedule 4 of the Poisons Standard, which means it is a prescription-only medicine. NIH ODS… - Berberine in Australia: evidence and prices
Berberine is a plant compound sold as a supplement. Systematic reviews have looked at metabolic and weight outcomes, but NIH NCCIH says… - Ashwagandha in Australia: evidence and prices
Ashwagandha (Withania somnifera) is a herb studied mainly for stress, anxiety and sleep. Rare cases of liver injury have been linked to… - CoQ10 in Australia: evidence and prices
Coenzyme Q10 (CoQ10, ubiquinone or ubiquinol) is an antioxidant made in the body. NIH NCCIH says the evidence suggests it probably doesn't… - Turmeric and curcumin in Australia: evidence and prices
Turmeric supplements usually contain curcumin. Meta-analyses have looked at arthritis and inflammation markers. Liver damage has been… - Green tea extract in Australia: liver safety and evidence
Liver injury has been reported in some people taking green tea extracts in tablet or capsule form (NIH NCCIH). High doses of green tea can… - Red yeast rice in Australia: what to know
Red yeast rice can contain monacolin K, which is chemically identical to the cholesterol medicine lovastatin, and products with significant… - Vitamin B12 in Australia: evidence and prices
Vitamin B12 is an essential nutrient. The Australian/NZ Nutrient Reference Values set no upper limit for B12 because there isn't enough… - Folate and folic acid in Australia: upper limits and prices
The Australian/NZ adult upper limit for folic acid from supplements and fortified foods is 1,000 µg a day (it doesn't apply to natural… - Vitamin C in Australia: limits and prices
The Australian/NZ NRVs set no formal upper limit for vitamin C but describe 1,000 mg/day as a prudent limit. NIH ODS notes high intakes may… - Probiotics in Australia: evidence and prices
Probiotics are live microorganisms, and effects depend on the strain. NIH NCCIH notes probiotics appear safe for most people but not for… - Collagen supplements in Australia: evidence and prices
Collagen supplements are usually hydrolysed collagen peptides. A 2021 systematic review and meta-analysis looked at effects on skin ageing.… - L-theanine in Australia: evidence and prices
L-theanine is an amino acid found in tea. A 2025 systematic review and meta-analysis looked at L-theanine and sleep outcomes. Evidence is… - Ginkgo in Australia: evidence, bleeding risk and prices
Ginkgo may increase the risk of bleeding in people taking blood thinners such as warfarin (NIH NCCIH). Tell your GP or pharmacist,… - Caffeine and pre-workouts in Australia: adding it up
Your entered caffeine total is 500 mg/day or more. NIH ODS notes heavy caffeine use (500 mg/day or more) might reduce rather than improve… - Electrolytes and potassium supplements in Australia
The Australian/NZ NRVs say supplemental potassium should only be provided under medical supervision. NIH ODS notes people with kidney… - Biotin in Australia: lab tests and what to know
Biotin supplements can cause falsely high or falsely low results on some laboratory tests (NIH ODS). Tell your doctor you take biotin… - Kava in Australia: liver safety and prices
Kava products have been linked to rare cases of liver injury, some serious or fatal (NIH NCCIH). Talk to your GP before using kava,…