Notes from the research, made readable.
Clear, evidence-based writing on nutrition, metabolism, muscle preservation and mental health after 40, grounded in peer-reviewed research and official guidelines.
The fundamentals
New to all this? Begin with the plain-English explainer before diving into the research.
Metabolism & muscle after 40
What really changes in your body from your 40s onward, and what the research says you can do about it.
How to lose weight naturally after 40: what the science actually says.
Your metabolism is not broken. But weight loss after 40 works differently than it did before. The evidence-based order of operations: protein first, a modest deficit, resistance training, sleep, stress and fibre. Fully cited from peer-reviewed research.
Read articleWhat actually happens to your metabolism after 40 (it's not what you think).
The 2024 Stanford study published in Nature Aging changed everything we thought we knew about middle-age metabolism. The truth is more nuanced, and more actionable, than the "metabolism slows down" myth suggests.
Read articleHow much protein do you really need after 40?
The standard 0.8g/kg recommendation was set decades ago for young adults. Here's what current research actually shows about protein requirements for adults over 40, why "anabolic resistance" matters, and how much you should aim for at each meal.
Read articleSarcopenia: the silent muscle loss starting in your 40s.
Adults lose 3 to 8% of muscle mass per decade after 40, and the consequences extend far beyond appearance. Here's what sarcopenia is, how to spot the early warning signs, and the evidence-based strategies to prevent and reverse it.
Read articleHow to spread your protein across the day after 40.
Total daily protein matters, but research shows how that protein is distributed across meals matters too. Here is what the evidence shows about per-meal protein thresholds and muscle protein synthesis after 40.
Read articleBody composition & what to measure
Why the usual numbers can mislead after 40, and what is worth measuring instead.
Eating well in Australia after 40
The official Australian guidance, and how it compares with what the country actually eats.
What the Australian Dietary Guidelines actually say about eating after 40.
A plain-language walk through the NHMRC guidelines: the five food groups, the recommended serves, and the specific points where the official advice shifts as you move through your 40s, 50s and beyond.
Read articleThe Australian over-40 nutrition gap: guidelines versus reality.
Australia has clear, sensible dietary guidelines. Almost nobody meets them. Using the latest ABS data, this is a look at the gap between the official advice and what Australians over 40 actually eat, and why it matters more with age.
Read articleBeyond the macros: lifestyle, sleep & mental health
Exercise, fibre, hydration, sleep and mental health: the factors that shape how your body and mind respond to nutrition after 40.
Exercise and nutrition after 40: what the research actually shows.
Nutrition targets work significantly better when paired with regular physical activity. Here is what the peer-reviewed literature shows about how exercise and nutrition interact after 40, and what the Australian physical activity guidelines recommend.
Read articleDietary fibre after 40: what the research shows, and why it matters more with age.
Most Australian adults fall well short of the NHMRC fibre recommendations. Here is what the evidence shows about fibre's role in gut health, blood glucose regulation, cardiovascular health and even muscle preservation after 40.
Read articleHydration after 40: what the research shows about fluid intake and ageing.
The thirst mechanism becomes less reliable with age, and kidney function changes. Here is what the NHMRC guidelines and peer-reviewed research show about adequate hydration after 40 and why it becomes a more active consideration.
Read articleSleep and nutrition after 40: what the research shows about the connection.
Research shows that inadequate sleep reduces muscle protein synthesis, affects appetite hormones and impairs insulin sensitivity. Here is what the peer-reviewed evidence shows about the relationship between sleep and nutrition after 40.
Read articleHow diet helped me manage anxiety: my personal experience and what the research shows.
Most people have never been told that what they eat can directly affect how anxious they feel. This article explores the connection between diet and anxiety from personal experience and GP advice, covering how blood sugar swings trigger your body's stress response, how what you eat shapes your brain's calming chemistry, and what the peer-reviewed research shows about why it all connects.
Read articleSugar, processing & food quality
What modern food is actually doing to your metabolism, gut health and body composition after 40.
Sugar and your diet after 40: what the science actually says.
Most people eating a typical modern diet are consuming far more sugar than they realise, and after 40, their body's ability to manage it has quietly changed. This article covers hidden sugar sources, insulin resistance, visceral fat, and the WHO and NHS guidelines on free sugars intake.
Read articleUltra-processed foods and your diet after 40: what the research shows.
A 2024 umbrella review in The BMJ, covering nearly 10 million people, linked higher ultra-processed food consumption to 32 adverse health outcomes. Here is what ultra-processed foods actually are, why they are specifically problematic after 40, and a realistic approach to reducing them.
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