Blog

Current posts on longevity, research, and practice.

Acacia fiber powder (gum arabic) in a bowl with a spoon next to a glass of water on a dark surface

Acacia Fiber: The Gentle Prebiotic for Your Gut

Nils GregersenFounder & author · Longevity enthusiast

Fresh barley grass and green barley grass powder in a bowl with a measuring spoon on a dark surface

Barley Grass: Nutrients, Benefits & the Honest Fact-Check

Nils GregersenFounder & author · Longevity enthusiast

Older people in a Mediterranean village community sharing a meal — social connection as a longevity factor

Blue Zones: The Secret of Longevity — and the Critique

Nils GregersenFounder & author · Longevity enthusiast

Bowl of cooked legumes, tomatoes and whole grains on a dark table — the lectin foods Gundry vilifies

Steven Gundry & the Lectin Myth: A Fact-Check

Nils GregersenFounder & author · Longevity enthusiast

Green smoothie with spinach, berries, chia seeds and avocado next to a high-speed blender on a bright kitchen counter

Smoothies & Longevity: Elixir of Life or Sugar Trap?

Nils GregersenFounder & author · Longevity enthusiast

Bright yellow berberine capsules beside a blood glucose meter on a dark matte surface

Berberine: Blood Sugar, LDL and the Ozempic Myth

Nils GregersenFounder & author · Longevity enthusiast

Wheat germ, aged cheese and mushrooms on a dark matte surface — dietary sources of the polyamine spermidine

Spermidine: Autophagy Hype vs. the Evidence

Nils GregersenFounder & author · Longevity enthusiast

A single pomegranate on a dark matte surface with glowing mitochondria-shaped accents in lime green

Urolithin A: Mitophagy, Muscle, and the Hype

Nils GregersenFounder & author · Longevity enthusiast

Cup of black filter coffee on a dark table next to coffee beans — coffee as a longevity food.

Coffee & Caffeine: How Much Is Healthy — and When It Hurts

Nils GregersenFounder & author · Longevity enthusiast

Fit person in their late 40s doing a controlled strength move in a dark studio — strength and healthy aging.

Creatine for Brain, Bone & Longevity — Beyond Muscle

Nils GregersenFounder & author · Longevity enthusiast

A scoop of white creatine monohydrate powder on a dark surface next to a faint molecular structure.

Creatine: The 5 Biggest Myths — and What the Science Says

Nils GregersenFounder & author · Longevity enthusiast

Bowl of fermented natto soybeans with sticky stringy texture next to nattokinase capsules on a dark surface

Nattokinase: What the Enzyme Really Does — and Doesn't

Nils GregersenFounder & author · Longevity enthusiast

Nils in a bright kitchen behind his longevity stack — omega-3, vitamin D3+K2, magnesium, CoQ10 and NMN

My Longevity Supplements: The Winners in My Stack

Nils GregersenFounder & author · Longevity enthusiast

Halved marrow bones with a spoon, coarse sea salt and parsley on a dark slate board

Bone Marrow & Longevity: Adiponectin, Glycine, and Cellular Renewal

Nils GregersenFounder & author · Longevity enthusiast

Person in the dark, face lit by screen light, abstract stimulus streams — digital overstimulation and dopamine.

Digital Overstimulation & the Dopamine Myth

Nils GregersenFounder & author · Longevity enthusiast

Person at night in front of a glowing monitor in a dark room — gaming, sleep and sedentary time.

Gaming & Longevity: When Playing Harms Your Health — and When It Doesn't

Nils GregersenFounder & author · Longevity enthusiast

Everyday foods like rice, bread and banana next to teaspoons of sugar — hidden sugar and glycemic load.

Hidden Sugar: Why Starch Acts Like Sugar — and How to Lower Your Glycemic Load

Nils GregersenFounder & author · Longevity enthusiast

Abstract DNA helix with methyl groups and blood values — methylation, gene variants and nutrient gaps.

MTHFR, COMT & Methylation: Gene Variants & Nutrient Gaps

Nils GregersenFounder & author · Longevity enthusiast

Still life of nutrient-dense whole foods — eggs, sardines, liver, berries, leafy greens

Nutrient Density vs. Adequacy: Why Nutrition Science Needs More Humility

Nils GregersenFounder & author · Longevity enthusiast

Processed meats with an ingredient list — nitrite and phosphate additives as an underrated health topic

Nitrite, Phosphates & the Nitrate Paradox in Meat

Nils GregersenFounder & author · Longevity enthusiast

Flat-lay of the Blueprint stack — creatine, omega-3, collagen, NMN/NR, Ca-AKG, curcumin, microbiome prebiotics on a dark background

Longevity Protocols

Bryan Johnson's Blueprint: What the Million-Dollar Longevity Stack Actually Delivers

Nils GregersenFounder & author · Longevity enthusiast

Two athletic women strength training (barbell squat, dumbbells) — aligning training and nutrition with the hormonal cycle

Cycle-Based Training & Nutrition: How Women Can Work With Their Hormones

Nils GregersenFounder & author · Longevity enthusiast

A man wearing a red-light laser cap (LLLT) — evidence-based treatments for hereditary hair loss

Hair Loss: What Actually Works — The Evidence-Based Ranking

Nils GregersenFounder & author · Longevity enthusiast

A hyperbaric oxygen chamber — HBOT between established medicine and longevity experiment

Hyperbaric Oxygen Therapy (HBOT): Anti-Aging Hope or Expensive Hype?

Nils GregersenFounder & author · Longevity enthusiast

A fit man in his early 60s in a bright kitchen behind a curated row of longevity supplements (D3+K2, magnesium, omega-3, creatine, CoQ10, green tea)

Longevity Supplements: The Honest List — What's Proven and What's Overhyped

Nils GregersenFounder & author · Longevity enthusiast

Dental-care tools (toothbrush, floss, tongue scraper) — oral health as an underrated longevity lever

Oral Health & Longevity: Why Your Gums Help Decide Heart and Brain Health

Nils GregersenFounder & author · Longevity enthusiast

People relaxing in a Finnish wooden sauna with a water bucket and hot stones — regular heat as a cardiovascular longevity lever

Sauna & Longevity: Why Regular Heat Protects the Heart

Nils GregersenFounder & author · Longevity enthusiast

A mature woman applying a skin serum — slowing skin aging through sun protection, skincare, and collagen

Slow Skin Aging: What Actually Works — From Sunscreen to Collagen

Nils GregersenFounder & author · Longevity enthusiast

Various sugar alternatives side by side — erythritol, xylitol, stevia, date paste, honey, honestly compared

Sugar Alternatives Compared: What Gut, Blood Sugar and the Studies Really Say

Nils GregersenFounder & author · Longevity enthusiast

Mitochondria rendered in red — the cell's power plants at the heart of the metabolic theory of cancer

Cancer & Metabolism

Is Cancer a Metabolic Disease? The Seyfried–Warburg Theory, Honestly Assessed

Nils GregersenFounder & author · Longevity enthusiast

Two athletes celebrating a win at a world championship — success built on consistent systems

Mindset & Behavior

The Motivation Trap: Why Systems and Habits Change You – Not Motivation

Nils GregersenFounder & author · Longevity enthusiast

Red blood cells streaming through a vessel — nitric oxide controls how wide vessels open

Nitric Oxide (NO): The Molecule That Keeps Your Blood Vessels Young

Nils GregersenFounder & author · Longevity enthusiast

Pills, syringes, and vials — the pharmacological toolkit of modern biohacking

Biohacking, TRT & GLP-1: Where Optimization Makes Sense — and Where It Tips into Risk

Nils GregersenFounder & author · Longevity enthusiast

Woman in warm sunlight — light as an underestimated biological healing factor

Sunlight, Infrared & Mitochondria: The Underestimated Healing Power of Light

Nils GregersenFounder & author · Longevity enthusiast

Brain visualization with sugar symbolism — insulin resistance accelerates brain aging

Keto, Insulin Resistance and the Aging Brain: Why Ketones Are the 'Clean' Fuel

Nils GregersenFounder & author · Longevity enthusiast

Person lifting a barbell — strength training as the foundation of a longevity training protocol

Exercise & Longevity: The 5 Evidence-Based Pillars of a Long Life

Nils GregersenFounder & author · Longevity enthusiast

Person sleeping in bed — restful sleep as the foundation of cellular recovery

Sleep Science: Chronotypes, Melatonin Myths and the Nightly Reset

Nils GregersenFounder & author · Longevity enthusiast

Person surrounded by everyday chemical icons — symbol of daily toxin exposure

Performance & toxins

Peak Span: How Visceral Fat, BPA and Lifestyle Steal Our Best Years

Nils GregersenFounder & author · Longevity enthusiast

Visualization of the biological clock — aging as a programmable process

Epigenetics & Age Reversal

Aging as a Curable Disease: Can We Reverse the Biological Clock?

Nils GregersenFounder & author · Longevity enthusiast

Immune cells attacking a cancer cell — microscopic visualization

Cancer & Immunity

Cancer, the Immune System and Longevity: How We Heal Ourselves Daily

Nils GregersenFounder & author · Longevity enthusiast

Overview of biological longevity markers: NAD+, sirtuins, telomeres, mitochondrial function, autophagy.

What is Longevity? Fundamentals, Hallmarks, and a 30-Day Start

Nils GregersenFounder & author · Longevity enthusiast

Cellular illustration of NAD+ and DNA repair

NAD+ / Sirtuins

NMN, NAD+ and Sirtuins: What the 2026 Research Actually Says

Nils GregersenFounder & author · Longevity enthusiast