Health has become a massive ‘business’. With so much conflicting advice online, finding trusted, evidence-based health resources is more important than ever.
At Double-zero, we’ve selected the sites that we know – and more importantly – trust, so you can too. This curated collection focuses on natural health, longevity, functional medicine, and holistic wellbeing, helping you make informed decisions about your health.
If you’re new here, start with our complete guide to building a healthy body using the A–Z list below, or explore our collections of health books, podcasts, and documentaries.
A-D
Dr Josh Axe
Doctor of chiropractic, certified doctor of natural medicine and clinical nutritionist with a passion to help people live a healthy lifestyle. Hover over ‘health’ for stacks of info.
Dr Monisha Bhanote
Quintuple board-certified physician. A functional medicine platform focusing on gut health, inflammation, and longevity.
Integrates modern science with holistic approaches.
Blue Zones
Research-backed insights on longevity, nutrition, community, and healthy lifestyle habits from the 5 Zones where people live the longest. Practical tips to incorporate long-lived habits into daily life.
Dr Rangan Chatterjee
Lifestyle medicine website focusing on root causes of disease. Promotes simple, sustainable health changes.
Cleveland Clinic
Extensive library of medical, nutrition, and wellness resources written by top clinicians. Evidence-informed content for disease prevention and healthy living.
Dr Will Cole
Functional medicine website focusing on chronic disease and root-cause health.
Covers nutrition, stress, and environmental factors.
The Doctor’s Kitchen
Nutrition and lifestyle platform from Dr Rupy Aujla combining food and medicine. ‘What to eat for’ section includes fab health tips for a range of health conditions.
Doctor Yourself
Dr Saul called himself ‘The Mega-vitamin Man’, offering a large archive of articles, protocols, and discussions on vitamins, dietary therapy, and health conditions. Scroll down the ‘article archive’ on the left of this site.
E-K
Everyday Health
Widely used evidence-based health website offering accessible medical and lifestyle information.
Great for general health guidance.
FAIM
Conventional information about health conditions with alternative perspectives, therapies, and lifestyle strategies, often with an emphasis on prevention and holistic approaches rather than purely pharmaceutical treatment.
Dr Fuhrman
Comprehensive coverage of 100+ common health concerns, with overviews, action plans, sample related questions from the Ask the Doctor Community, useful links, and real-life recovery and success stories.
Getting Healthier
Health and wellness resource offering evidence‑based articles on nutrition, healthy lifestyle habits, chronic disease prevention, and practical tips for everyday well-being. Hover over ‘health’ for articles from Alzheimer’s to Yeast.
Dr Sara Gottfried
Health platform focusing on hormones, longevity, and women’s health.
Combines science with lifestyle strategies.
Green Med Info
The world’s most widely referenced, evidence-based, natural medical resource.
10,000 plus health topics and 500,000 visitors per month.
Grounded.com
A site dedicated to: ‘educating the public about all things grounding and how this simple lifestyle practice can impact health and well-being.’
Harvard Health Publishing
Articles on nutrition, fitness, disease prevention, mental health, and longevity. High credibility content backed by medical research.
Healf.
Modern wellness platform covering health, supplements, and lifestyle.
Easy-to-digest content for everyday health.
Healthline
A highly trusted evidence-based health website with medically reviewed content.
One of the best sources for clear, reliable health information.
Health Union
A trusted network of 126 online health communities offering support, insights, and resources for people living with chronic health conditions.
Health Watch
Evidence-based health resource created by Chris Woollams, a former Oxford‑trained biochemist. Articles on a wide range of conditions. Focuses on accessible medical information. Hover over ‘your illness’ and search.
Healthy Home Economist
Many articles are reviewed, approved and written by medical doctors, dentists, naturopathic doctors and chiropractors. It focuses on real food, ancestral nutrition, and holistic well-being. Tap the health topic you require into the search option.
Heart MD Institute
A medically informed health and wellness resource with expert insight on heart health, nutrition, longevity, and lifestyle optimization.
Wim Hof
The Iceman will show you how you can have: increased energy, better sleep, reduced stress levels, heightened focus & determination, increased willpower and a stronger immune system.
Patrick Holford
Clinical nutritionist who shares diet, mental well-being, immunity, and lifestyle strategies. Evidence-informed insights for nutrition enthusiasts.
Dr Mark Hyman
Leading functional medicine platform focused on food as medicine. Covers chronic disease, diet, and lifestyle.
Johns Hopkins Medicine
Extensive resource covering nutrition, chronic disease, preventive care, and wellness strategies. Trusted, research-based medical guidance. See also: Johns Hopkins Health Plans
Keep Healthy
Health and wellness resource covering nutrition, fitness, lifestyle habits, disease prevention, and mental well-being. Practical tips to support balanced long-term health.
Dr Michael Klaper
An educational health resource centred on plant‑strong nutrition and lifestyle as foundations for preventing and reversing chronic disease.
Chris Kresser
Evidence-based health answers for chronic diseases from the founder of the California Center for Functional Medicine.
L-R
Dr William Li
World-renowned physician, scientist, speaker, and author. His groundbreaking work has impacted more than 70 diseases inc cancer, diabetes, blindness, heart disease, and obesity.
Dr Frank Lipman
Holistic medicine website focusing on personalised health.
Combines modern and traditional approaches.
Live Love Fruit
Plant-based nutrition resource offering articles on health conditions, dietary strategies, and lifestyle guidance.
Prof Valter Longo
Research-based insights on longevity, fasting-mimicking diets, metabolic health, and preventative medicine. Science-backed strategies to support healthy aging.
Mayo Clinic
A trusted, evidence-based medical resource with an A–Z index of diseases, symptoms, and treatments, plus expert health guidance.
Dr McDougall
Focuses on plant-based nutrition and diet-centered approaches for preventing and managing chronic conditions. Practical dietary advice grounded in clinical experience.
Dr Casey Means
Science-backed insights from Dr Casey Means, focusing on metabolic health, glucose regulation, nutrition, and lifestyle medicine. Tools and articles for chronic disease prevention and vitality.
Medical News Today
Large evidence-based health resource with medically reviewed articles. Reliable and widely used. Select ‘Health conditions’.
Mind Body Green
Wellness platform combining physical, mental, and lifestyle health. Broad, lifestyle-oriented content.
NHS UK
Official resource for evidence-based medical, nutrition, fitness, and preventive health guidance. Advice for managing health conditions and promoting well-being.
Natural Living Family
Family-focused site with guides on whole-food nutrition, immune support, healthy recipes, and lifestyle habits. Practical, actionable wellness content. Use the search option for your health issue.
NCIM
Whole-person health platform promoting integrative approaches.
Includes free webinars and educational content.
Dr Gemma Newman
Holistic nutritionist who shares real-food recipes, gut health, plant-based nutrition and lifestyle tips. Practical advice for everyday health improvements. Hover over the ‘learn more’ option.
Dr Perlmutter
Neurologist Dr. David Perlmutter covers brain health, gut-brain connection, inflammation, and lifestyle medicine. Science-backed guidance for whole-body wellness. Hover over the ‘learn’ option.
Physicians Committee
Nonprofit health organisation promoting nutrition and disease prevention.
Strong focus on plant-based diets. Click on ‘health topics’.
Plant Based News
Nutrition and lifestyle platform covering plant-based health and sustainability.
News, research, and practical advice. Use the search bar for your health issue.
S-Z
Dr Cate Shanahan
Articles on nutrition, metabolism, hormones, and chronic disease prevention. Evidence-informed advice integrated with practical lifestyle strategies.
Talking With Docs
Medical education platform sharing short, practical health videos. Easy-to-understand advice.
TEDMED
Health and medicine platform sharing expert talks and innovation. Great for learning from leading thinkers. Use the search bar for your health issue.
TED
Expert-led talks on nutrition, chronic disease, mental health, and lifestyle science. Engaging, bite-sized videos for learning evidence-based health insights. Find your health issue by using the search bar.
UK Health Radio
24/7 reliable health information featuring nutrition, fitness, mental health, and wellness podcasts. Expert interviews and live shows to improve health knowledge.
Dr Weil
Pioneer of integrative medicine focusing on prevention and lifestyle. Combines science with natural approaches. Hover over the ‘health and wellness’ section.
Well Doing
Covers nutrition, fitness, lifestyle, sleep, and stress management with practical guidance. Evidence-informed advice for sustainable body health.
Continue Your Health Journey
To deepen your understanding of health and longevity:
- Explore our health books
- Listen to expert-led health podcasts
- Watch health and wellness documentaries
Building a healthy body starts with trusted information – and the right resources make all the difference.