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Director of Nutrition

TJ Waterfall, RNutr

TJ Waterfall, MSc, is a registered sports and exercise nutritionist and Director of Nutrition at foodfacts.org

TJ Waterfall, MSc, is the Director of Nutrition at foodfacts.org, he is a registered sports and exercise nutritionist, he has been the Director of Nutrition at The Game Changers Institute. He specialises in plant-based performance, sports nutrition, and evidence-based public health nutrition. TJ is the author of The Plant-Based Power Plan, published by Penguin Life, and works with athletes, brands, and research teams to translate nutritional science into practical, real-world impact. His work sits at the intersection of sport, sustainability, and behaviour change, with a particular focus on helping active populations adopt plant-forward diets that support optimal performance.

TJ acts as our Editor-in-Chief. His responsibilities include:

Conducting research and writing fact-checks;
Reviewing and editing all fact-checks;
Supporting volunteers with their writing.

Articles featuring

TJ Waterfall, RNutr

Why diet success stories can be misleading

Many people online claim to have the secret to weight loss after sharing their weight loss journey, but they can't all be trusted. We unpack what to look out for in this guide.

Do seed oils increase risk of sunburn?

Do seed oils increase risk of sunburn? We examine the evidence behind this popular claim and whether avoiding seed oils helps to protect against UV damage.

The complete guide to vitamin B12

What vitamin B12 does, the best foods and sources, deficiency symptoms, how much to take per day and which form is best. Reviewed by a dietitian.

Does soy lower testosterone? Here's what the science actually says

Does soy lower testosterone or harm men's health? After decades of research and 40+ human trials, the evidence is clear. Here's what the science actually says.

Are lentils and other pulses unhealthy?

Are lentils and other pulses unhealthy? We examine the claim and what the evidence says about their health effects.

When you really need electrolyte drinks (and when plain water is enough)

Plain water is enough for most people, electrolyte drinks are mainly useful during heavy sweating, illness, or endurance exercise, and regulated tap water is generally safe.

A person holds an anatomical model of the large intestine whilst sitting at a table with another person.

Is colonoscopy prep dangerous? Barbara O'Neill's claims fact-checked

Barbara O'Neill claims colonoscopy prep is caustic and causes IBS. We checked the evidence on bowel prep side effects and the real risks of colonoscopy.

Do seed oils increase risk of sunburn?

Do seed oils increase risk of sunburn? We examine the evidence behind this popular claim and whether avoiding seed oils helps to protect against UV damage.

A golden waffle on a dark surface surrounded by scattered grains and wheat stalks in the background.

Do carbs make you gain weight? What the science shows

Do carbs make you fat? Not on their own. Weight change comes down to overall energy intake, and fibre-rich carbs can help you stay full. Here's the evidence.

Is eating two meals a day better for your health? What the evidence says

Is eating two meals a day better than three? We examine the evidence on meal frequency, time-restricted eating, gut health and overall health.

Is berberine really “nature’s metformin and Ozempic”? What research actually shows

Berberine is promoted as “nature’s metformin and Ozempic”. We examine the evidence for its effects on blood sugar, weight loss and safety.

Fresh alfalfa (lucerne) sprigs and a dish of pale green leaf-protein powder on cream linen.

RuBisCO: could the world’s most abundant protein become a sustainable food ingredient?

RuBisCO, the most abundant protein on Earth, is being turned into shakes and egg alternatives. We weigh the promise against the evidence.

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