Longevity & Healthspan.
Healthspan is the years you live well. Body composition, HRV, recovery, sarcopenia after sixty, biological age. The variables that decide how the next two decades feel.
30 articles in this pillar.
Creatine for Women: What the 2026 Evidence Shows
The myth that creatine bloats or masculinises has been buried for a decade. The evidence in women keeps strengthening. Here is what now reads as settled.
The Executive Brain: How Nutrition Impacts Cognitive Performance
Your brain consumes 20% of your daily energy while comprising 2% of your body mass. What you eat directly determines how well it performs.
What 1,380 New Zealand Adults Tell Us About Body Composition: An Inception Cohort Read
Twenty-two years of practice. 1,380 clients on the BIA platform. Aggregating where they started, where they ended, and where the median NZ adult body composition trajectory actually goes when the methodology is applied. First-party data, NZ-specific.
Insulin Resistance: Reading the Markers Before You Get the Diagnosis
Insulin resistance moves quietly for ten to fifteen years before HbA1c flags it. By then, much of the damage is set. The earlier markers exist. NZ GPs do not always run them.
The Complete Guide to Metabolic Health for New Zealanders
Metabolic health is the engine underneath weight, energy, mood, and long-term disease risk. Most New Zealanders have no clear read on theirs. Here is what to measure, what moves it, and when to involve your GP.
Continuous Glucose Monitors in New Zealand: What CGM Data Actually Tells You
CGMs landed in NZ pharmacy aisles. The numbers are not the answer. Reading them well is the actual skill.
Cold Water Immersion: What It Does to Body Composition and Recovery
Lyttelton harbour swimmers and Lake Wānaka plungers were doing this before the wellness industry caught up. The data is starting to land. Some of it is good.
What Is Biohacking? A Practical Guide for New Zealanders
Biohacking is not fringe science. At its core, it is the practice of using data and evidence to optimise your biology. Here is what that looks like in New Zealand.
Resistance Training After Sixty: The Sarcopenia Reversal Protocol
Lean mass loss after sixty is not inevitable. The intervention is unglamorous and unfashionable. It also works.
Building Your Personal Health Dashboard: What to Track and Why
The most valuable health data is not a single snapshot but a trend over time. Here is how to build a personal health dashboard that actually informs decisions.
Metabolic Flexibility: Why Your Body's Ability to Switch Fuels Matters for Longevity
The ability to efficiently switch between burning carbohydrates and fats is a marker of metabolic health. Most people have lost this flexibility without knowing it.
Bone Density After Fifty: The Protein Threshold Most Women Are Below
Bone is built and held by mechanical load and adequate amino acids. After fifty, both tend to fall. Most women are below the threshold for either. Here is what the threshold actually is.
HRV Tracking for Beginners: How to Read Heart Rate Variability
Whoop, Oura, Garmin all spit out an HRV number. The number is not the read. Trend, time-of-day, and context are.
Healthspan vs Lifespan: Why You Want to Live Better, Not Longer
Lifespan is years lived. Healthspan is years lived in good function. For most New Zealanders, the gap between the two is roughly a decade. The work is to close it.
NAD+ and Cellular Ageing: What the Science Actually Says
NAD+ has become the molecule of the moment in longevity circles. Here is what the research actually supports versus what the marketing claims.
Body Composition Scanning: Why Weight Alone Tells You Almost Nothing
Two people can weigh the same and have completely different health profiles. Body composition scanning reveals what the scale hides.
How Much Protein Do Women Over 40 Actually Need?
The threshold most coaching guides quote is below what the research now supports. Lean mass holds the decade. Protein is what holds the lean mass.
Caffeine and Sleep: Why a 2pm Coffee Still Wrecks Your Night
Caffeine half-life is five to seven hours for most people, slower in caffeine-sensitive metabolisers. Half a normal cup is still in the system at midnight. Sleep architecture pays the bill.
Post-40 Nutrition: Why Everything Changes and What to Do About It
After 40, the rules change. Metabolic rate declines, muscle loss accelerates, and hormonal shifts alter how your body responds to food. Nutrition must adapt.
Sleep Architecture and Nutrition: The Longevity Connection Most People Ignore
Sleep is not passive recovery. It is an active biological process that nutrition directly influences, and poor sleep accelerates ageing faster than almost any other factor.
Visceral Fat and ApoB: The Two Markers Most Men Over Fifty Miss
Standard cholesterol panels are insufficient after fifty. Visceral fat and ApoB carry most of the cardiometabolic signal. Here is how to read them and what moves the needle.
Post-Menopause Body Composition: What Comes Back, What Holds, What Has to be Built
After menopause, the metabolic ground stops shifting and stabilises. The right protocol can rebuild lean mass, lower visceral fat, and restore training capacity. Here is what changes once the storm has passed.
Biological Age vs Chronological Age: How to Measure and Influence Yours
Your birthday tells you how long you have been alive. Your biology tells you how well you have aged. These are often very different numbers.
Peptides 101: An Educational Guide to BPC-157, TB-500, and Beyond
Peptides are among the most discussed compounds in biohacking circles. Here is an objective look at what the research shows for the most commonly referenced peptides.
Strength Training for Women Over 50: The Lean Mass Threshold
Lean mass after fifty is the variable that decides how the next two decades look. Most NZ programmes for this group still treat it as an afterthought. The threshold is not subtle.
Inflammation: The Silent Driver of Ageing (and What Your Diet Can Do About It)
Chronic low-grade inflammation accelerates every aspect of ageing. Your diet is the most powerful tool you have to modulate it.
GLP-1 and Muscle Mass: How to Preserve Lean Tissue During Rapid Weight Loss
Rapid weight loss without muscle preservation is a recipe for metabolic decline. Here is how to protect lean tissue while maximising fat loss on GLP-1 medications.
Men, Forties, and the Body Composition Cliff
Testosterone declines slowly through your forties. Lean mass loss is what makes the decline visible. Here is what to track, what to change, and what is worth a GP conversation.
Vitamin D in New Zealand: Why South Islanders Run Low Through Winter
Latitude does not negotiate. From May to August in the South Island, vitamin D synthesis from sun exposure is functionally zero for most people. Most NZ adults are below threshold and do not know.
Zone 2 Training Explained: Why It Matters for Longevity
Most NZ adults train at zone three intensity, then call it cardio. Zone two is what builds the mitochondrial floor. Different work, different result.
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