Plain-English guides to collagen, supplements, everyday nutrition and ageing well — each one sourced to named institutional research and dated.
What the WHO guidelines say about balance after 65, a simple self-check, a 10-minute bench routine, class checklist and when to see a physio.
How to read the fibre line, what “source” and “high fibre” mean in AU/NZ, US and EU, carbs vs fibre, added fibres and how much to aim for.
How much vitamin C adults really need, what the cold trials found, why big doses are poorly absorbed, upper limits, who should check first and how to read the label.
What the magnesium and sleep trials really tested, why glycinate labels mislead, safe upper limits (NHMRC, NIH, EFSA), medicine interactions and better sleep first steps.
What trials in older adults show about creatine, strength and muscle, EFSA’s over-55 finding, how much to take, kidney test cautions and who should check with a doctor first.
What trials show about taking vitamin D3 with K2, how 4,000 IU compares with NHMRC, US and EU upper limits, the warfarin interaction and how to read a combination label.
Who needs vitamin B12, why absorption falls with age and dose, NHMRC/NIH/EFSA intakes, forms compared, medicine cautions and how to read the label.
Zinc needs and upper limits (40 mg NHMRC/NIH, 25 mg EFSA), the 2024 Cochrane cold findings, elemental zinc, copper and medicine cautions, and a dosing checklist.