Editorial & Medical Review Policy

Last reviewed: 10 April 2026

Human Nutrients writes about nutrition, longevity and dietary supplements — topics that can directly affect people's health decisions. We take that seriously. This page explains who writes our content, who reviews it, how we cite sources, how often we re-check published material, and how you can tell us if we got something wrong.

Who writes our content

Mark Howard — Founder & Head of Science Content

Mark founded Human Nutrients and personally writes every science-led article on this site. He has spent the last several years reading the primary literature on NMN, NAD+ biology, resveratrol, sirtuin activation and algae-derived Omega-3 — following work from David Sinclair's lab at Harvard Medical School, clinical trial data from Keio University, and reviews published in Science, Cell Metabolism, Nature Communications and Frontiers in Aging.

Mark is not a medical doctor. He does not give medical advice. What he does is read the published science, cite it plainly, and explain what it does — and does not — show. Content on humannutrients.com is always labelled with Mark's byline and linked to this page.

LinkedIn: linkedin.com/in/markhoward
Email: mark@humannutrients.com

Who reviews our content medically

Dr. Larry Tafford, MD — General Practitioner (GP), Medical Reviewer

Dr. Tafford is a practising General Practitioner in the United Kingdom. He reviews every educational article we publish before it goes live, and re-reviews existing content on a rolling six-month cadence. His role is to ensure our content reflects current clinical understanding, does not make therapeutic claims we cannot support, and flags any language that could be misread as medical advice for a specific individual.

Dr. Tafford does not author content — he reviews it. He holds no equity in Human Nutrients and is retained purely for medical review. His name appears on the "Medically reviewed by" line of every article we publish.

LinkedIn: linkedin.com/in/larry-tafford-md

How we cite sources

Every health claim on Human Nutrients is either linked to a peer-reviewed primary source or removed. Our standard is:

Primary sources first — randomised controlled trials, clinical studies and systematic reviews take priority over review articles or secondary reporting.
PubMed / DOI links — we link directly to the study's PubMed record or DOI so readers can verify the citation themselves. We do not hide behind "studies show" without pointing to the actual study.
Human data where it exists — we distinguish clearly between in-vitro work, animal studies and human clinical trials. We do not translate an in-vitro finding into a human health claim.
No cherry-picking — if the evidence is mixed, we say so. We do not suppress null or negative findings.
Regulatory context — for ingredients still under regulatory assessment (for example NMN, which the UK Food Standards Agency classifies as a novel food under assessment), we link to the regulator's own page and update our language when guidance changes.

Review cadence

Every published article carries a Last medically reviewed date and a Next review due date. Our standard cycle is every six months. We also re-review sooner when:

A major new clinical trial is published.
The UK FSA, EFSA, MHRA or FDA issues new guidance relevant to an ingredient we write about.
A reader flags a correction through the process below.

Corrections policy

If you find something on this site that you believe is factually wrong, please email hello@humannutrients.com with the URL of the page, the specific claim, and — where possible — a link to the primary source supporting your correction. We aim to respond within five working days. When we correct an article, we update the Last medically reviewed date and add a dated correction note at the bottom of the article. We do not silently edit claims.

What we do not claim

Human Nutrients products are dietary supplements. They have not been evaluated by the UK MHRA, the US FDA or the EMA, and are not intended to diagnose, treat, cure or prevent any disease. We do not make therapeutic claims. We do not tell individual readers to start, stop or change a medication. Anything on this site that could influence a clinical decision should be discussed with your GP or a qualified healthcare professional.

Our conflicts of interest

Human Nutrients sells NMN + Resveratrol and algae-derived Omega-3 DHA. We write about both categories. We disclose this plainly: the articles on this site are published by a company that benefits commercially if readers buy its products. Our mitigation is simple — we cite everything, we do not hide negative findings, we do not invent health claims, and our content is reviewed by an independent medical reviewer before publication.

Questions about our editorial standards? Email hello@humannutrients.com.