Clinical Studies

All our research activities are based on Alfred Vogel‘s ideas. Our work is centered around nature and respect for the natural world.

NB: The commercial name of the product used in the study can be different from the name of used in Canada.  The titles below are with the Canadian name of the products.

Absolüt Arnica (Atrosan gel)

Absolüt Arnica gel in osteoarthritis of the knee, 2002

Absolüt Arnica or NSAID for topical treatment of osteoarthritis of the hand, 2006

Artichoke • Milk Thistle Boldocynara® Complex

A multicentre open clinical trial to assess the tolerability and efficacy of Boldocynara®, a traditional herbal preparation for functional digestive disorders, 2013


Efficacy and Tolerability of Bronchosan, 1995

Deep Sleep (Dormeasan)

Deep Sleep Improvement Study, 2008


Dose-Dependency of Echinacea in the Treatment of Acute Common Colds in Children 4 – 12 Years, 2018

Prevention of influenza virus induced bacterial superinfection bystandardized Echinacea purpurea, via regulation of surface receptorexpression in human bronchial epithelial cells, 2017

Effect of an Echinacea-Based Hot Drink Versus Oseltamivir in Influenza Treatment, 2015

Echinacea reduces the risk of recurrent respiratory tract infections and complications: A Meta-Analysis of randomized controlled trials, 2015

High-potency Anti-influenza Therapy by a Combination of Echinacea purpurea fresh herb and root tinctures, 2013

Safety and Efficacy Profile of Echinacea purpurea,2012

Effects of Echinaforce treatment on ex vivo-stimulated blood cells, 2011

Echinaforce study summary: anti-bacterial, anti-viral and anti-inflammatory, 2010

Echinacea -bactericidal and immunomodulatory effect, 2010

Echinacea potential use for acne, 2010

Echinaforce-Antiviral and mode of action on H1N1 flu, 2009

Echinaforce Antiviral effect - H3N2 Flu, 2009

Echinaforce antiinflammatory effect, 2008

Echinacea, Lancet article 2007

Echinacea in prevention colds, Meta-analysis 2006

Tolerability and efficacy of Echinaforce Extra in athletes, 2006

Echinacea Alkylamide modulate TNF-Þ, Gertsch, 2004

Effects of Echinaforce on ex-vivo stimulated cells, 2005

Echinaforce for acute colds, Brinkeborn 1998

Therapeutic efficacy of Echinaforce drops, 1995

Echinaforce Sore Throat Spray

Sore throat Spray Antibacterial activity, 2008

Sore Throat Spray study summary, 2008


Ginkgoforce in the treatment of age-induces memory disorders, 1997

Hawthorn berry

Hawthorn berry in the treatment of congestive heart failure, 2003


Hyperiforce tablets in the treatment of mild to moderate depression, 1997


First Time Proof of Sage's Tolerability and Efficacy in Menopausal Women, 2011

A multicentre open clinical trial to assess the tolerability and efficacy of Sage tablets in climacteric women with hot flushes, 2009


Standardization of herbal medicines, 2001

Caracteristics of whole fresh plant extracts, 1994

Allergy Relief (Pollinosan)

Allergy Relief (Pollinosan)spray for the treatment of allergic rhinitis and pollinosis, 2004

Prostate 1

Improving BPH symptoms and sexual dysfunctions with a saw palmetto preparation?, 2012

Androgen‐independent Effects of Serenoa repens Extract (Prostate 1 Sabalasan) on Prostatic Epithelial Cell Proliferation and Inflammation, 2011

Sabalasan in the treatment of BPH, 1996


Santasapina Soothing Cough Syrup

Santasapina syrup in acute bronchitis


Sinna spray for the treatment of acute and chronic sinusitis, 2003


Venaforce Review of 5 studies, 2006

Safety and Efficacy of Venaforce Extra, 2004

Venaforce gel for chronic venous insufficiency, 1999

Venaforce tabs in chronic venous insufficiency, 1997


Dry Nasal Mucus Causing Pain & Irritation?

Read more

Alfred Vogel's guide to leading a healthy and happy life

Nature is just about the best thing we’ve got!

Watch the video
Win a trip to visit our gardens in Switzerland!