Nutrition Evidence Alert – November 2022 – Psoriasis

Psorasis- Your Monthly Alert


Our Top Pick of the Month:

The role of gut microbiome in inflammatory skin disorders: A systematic review in Dermatology reports. 2022

Psoriasis is an immune-mediated inflammatory condition affecting the skin, nails, and joints. Recent research demonstrates a role for nutrition and lifestyle to reduce risk and severity of disease. This edition of the NED Alert focuses on nutrition science for psoriasis, bringing you information on the role of the gut microbiome and probiotics, dietary and lifestyle strategies and key nutrients you can employ in your clinics. Enjoy!

From our Expert Review Panel

Serum vitamin E levels and chronic inflammatory skin diseases: A systematic review and meta-analysis in PloS One. 2021. With Expert Reviewer Ana-Paula Agrela

The Involvement of Oxidative Stress in Psoriasis: A Systemaic Review in Antioxidants. 2022. With Expert Reviewer Georgie Murphy

Scroll for more science on nutrition and psoriasis


Two new NED Talks this month, stepping back briefly to last month’s topic of migraines. Listen to Kieran MacPhail as he discusses a randomised controlled dietary trial of increasing omega-3 levels whilst maintaining or reducing omega-6 levels on migraine frequency and intensity and Daniel Quinones is back to discuss a randomised trial on the impacts of zinc supplementation on characteristics of migraine headaches. Catch the full playlist here


Our choice of podcasts for those who like to listen on the move

Dr Mark Hyman in conversation with Dr Todd LePine

Healing Psoriasis from the Inside Out – The Doctor’s Pharmacy

From Alex Manos and The Healthpath Podcast

The Role of Gut Health in Psoriasis – The Healthpath Podcast



Blog post of the month

From Optibac Probiotics

Probiotics for Psoriasis – Optibac Probiotics Blog


Your Reference Library

For practitioners, researchers, policy makers and students with particular interest in this area, here’s our long list

Evaluation of Lactocare® Synbiotic Administration on the Serum Electrolytes and Trace Elements Levels in Psoriasis Patients: a Randomized, Double-Blind, Placebo-Controlled Clinical Trial Study in Biological trace element research. 2022

Characterization of the Oral and Gut Microbiota in Patients with Psoriatic Diseases: A Systematic Review in Acta dermato-venereologica. 2021

Serum vitamin E levels and chronic inflammatory skin diseases: A systematic review and meta-analysis in PloS One. 2021

Lifestyle changes for treating psoriasis in The Cochrane database of systematic reviews. 2019

Body mass index, abdominal fatness, weight gain and the risk of psoriasis: a systematic review and dose-response meta-analysis of prospective studies in European journal of epidemiology. 2018

Nutritional strategies for psoriasis: current scientific evidence in clinical trials in European review for medical and pharmacological sciences. 2018

The skin microbiome in psoriatic disease: A systematic review and critical appraisal in Journal of translational autoimmunity. 2019

Oral Curcumin (Meriva) Is Effective as an Adjuvant Treatment and Is Able to Reduce IL-22 Serum Levels in Patients with Psoriasis Vulgaris in BioMed research international. 2015

Superiority of a vitamin B12-containing emollient compared to a standard emollient in the maintenance treatment of mild-to-moderate plaque psoriasis in International journal of immunopathology and pharmacology. 2017

Longitudinal Study of the Psoriasis-Associated Skin Microbiome during Therapy with Ustekinumab in a Randomized Phase 3b Clinical Trial in The Journal of investigative dermatology. 2018

Randomized placebo control study of insulin sensitizers (Metformin and Pioglitazone) in psoriasis patients with metabolic syndrome (Topical Treatment Cohort) in BMC dermatology. 2016


Download the NED InfoBite & Fact Sheets on Psoriasis, Eczema & Autoimmune Skin Disease

Our scientific NED InfoBites are especially designed to provide you with our pick of the latest research in a handy one-page pdf, ideal for sharing with colleagues and clients within a clinical setting. Our Fact Sheets provide a simple overview of many common diseases and symptoms.

Download the Skin Disease NED InfoBite here

Discover all available NED InfoBites here

Download the fact sheets here.

Discover the BANT Food for your Health Toolbox

Back in February 2021, BANT launched its Food for your Health campaign to highlight the role of nutrition in supporting many common condition as well as address the rise in diet-induced illness and  encourage people to look at their diet with new eyes, and adopt a food-first approach as prevention for chronic disease. The aim for the campaign is twofold, to distill nutritional science into practical client-friendly resources which educate on the importance of good nutrition, healthy food choices, and supportive lifestyle habits such as regular physical activity, sleep and stress management and secondly, to give individuals greater autonomy over their health outcomes.

Discover a range of food & lifestyle guides, informative infographics, fact sheets and recipes here.

The resources provide a great entry into nutrition however, for more personalised recommendations, find a Registered Nutritional Therapy Practitioner here.

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