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NAD+, NMN and NR: What the Human Evidence Really Says Metabolic & longevity

NAD+, NMN and NR: What the Human Evidence Really Says

NAD+ falls with age and an entire industry promises to refill it. But “raises NAD+” and “slows ageing” are two different claims — and…

Jun 2026 · 7 min read
Exercise in a Pill? SLU-PP-332, MOTS-c and 5-Amino-1MQ, Honestly Examined Metabolic & longevity

Exercise in a Pill? SLU-PP-332, MOTS-c and 5-Amino-1MQ, Honestly Examined

The dream of a molecule that delivers a workout’s metabolic rewards without the workout is one of longevity’s most seductive ideas. Examined honestly, it…

Jun 2026 · 8 min read
What Is NAD+? The Coenzyme at the Centre of Ageing Research Metabolic & longevity

What Is NAD+? The Coenzyme at the Centre of Ageing Research

NAD+ is the redox coenzyme every cell uses to make energy and to fuel its sirtuins and PARPs — and its levels fall with…

Jun 2026 · 9 min read
What Is AOD-9604? The Growth-Hormone Fragment That Failed Its Own Weight-Loss Trial Metabolic & longevity

What Is AOD-9604? The Growth-Hormone Fragment That Failed Its Own Weight-Loss Trial

AOD-9604 is a synthetic fragment of human growth hormone, engineered to keep a fat-metabolising signal while shedding the growth. It became a famous “fat-burning…

Jun 2026 · 7 min read
What Is Tesofensine? The Triple Reuptake Inhibitor That Stalled Metabolic & longevity

What Is Tesofensine? The Triple Reuptake Inhibitor That Stalled

Tesofensine (NS2330) is a small-molecule triple monoamine reuptake inhibitor that produced some of the largest weight-loss figures of the pre-GLP-1 era in human obesity…

Jun 2026 · 7 min read
What Is SLU-PP-332? The “Exercise Mimetic” That Tells Muscle It Just Ran — in Mice Metabolic & longevity

What Is SLU-PP-332? The “Exercise Mimetic” That Tells Muscle It Just Ran — in Mice

A synthetic pan-agonist of the estrogen-related receptors, studied as an “exercise mimetic” that switches on the oxidative-metabolism programme a workout normally triggers. Here is…

Jun 2026 · 9 min read
What Is NMN (β-Nicotinamide Mononucleotide)? The Longevity World’s Headline Bet Metabolic & longevity

What Is NMN (β-Nicotinamide Mononucleotide)? The Longevity World’s Headline Bet

NMN is a direct precursor of NAD+, the metabolic coenzyme that fades with age. It is the molecule the anti-ageing field bet on to…

Jun 2026 · 6 min read
Semaglutide vs Tirzepatide vs Retatrutide: The Incretin Lineage, Explained Metabolic & longevity

Semaglutide vs Tirzepatide vs Retatrutide: The Incretin Lineage, Explained

How metabolic research moved from a single receptor to two to three — and what each added hormone receptor changed in the preclinical and…

Jun 2026 · 6 min read
What Are Ipamorelin and CJC-1295? The Two Doors to the Growth-Hormone Axis Metabolic & longevity

What Are Ipamorelin and CJC-1295? The Two Doors to the Growth-Hormone Axis

Two synthetic peptides that are almost always studied as a pair: one mimics ghrelin, the other mimics GHRH. A research primer on how each…

Jun 2026 · 6 min read
What Is 5-Amino-1MQ? The Small Molecule Built to Switch Off NNMT Metabolic & longevity

What Is 5-Amino-1MQ? The Small Molecule Built to Switch Off NNMT

5-Amino-1MQ is a small-molecule inhibitor of the enzyme NNMT, studied in cells and obese mice for its effects on the NAD+ and methylation economy…

Jun 2026 · 6 min read
What is Epitalon? The microgram hypothesis and the dose the internet keeps getting wrong Metabolic & longevity

What is Epitalon? The microgram hypothesis and the dose the internet keeps getting wrong

A four-letter peptide carries a decades-old case of mistaken identity. A 2026 re-examination argues the famous dose was never Epitalon's at all — and…

Jun 2026 · 7 min read
What Is Retatrutide? The Triple-Agonist Peptide Rewriting Metabolic Pharmacology Metabolic & longevity

What Is Retatrutide? The Triple-Agonist Peptide Rewriting Metabolic Pharmacology

Retatrutide (LY3437943) is a single engineered peptide built to pull three metabolic levers at once. Here is what the science actually shows — and…

Jun 2026 · 6 min read
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