Effects · health adverse
Allergic Reaction
Inappropriate immune system response to a supplement component, manifesting in various symptoms: skin rash (hives), itching, swelling (including angioedema), runny nose, tearing, cough, difficulty breathing, anaphylaxis.
- Supplements
- 113
- Practices
- 20
- Habits
- 10
How we rate evidence
Probability — how likely the effect is to show up
- Very high
- High
- Medium
- Low
Evidence — where the data comes from
- Scientific Meta-analyses and randomized trials
- Clinical Clinical trials and practice
- Animal research Animal studies
- People reports User reports and anecdotes
- Theoretical Mechanistic reasoning, not yet tested
Reported as a side effect of (143)
Probability High 2 Medium 1 Low 140
Evidence Clinical 57 People reports 79 Theoretical 7
- Adrafinil Supplements LowClinical
- Alpha-Lipoic Acid Supplements LowClinical
- Amanita Regalis Supplements LowPeople reports
- Amylase Supplements LowClinical
- Andrographis Supplements LowPeople reports
- Apigenin Supplements LowPeople reports
- Arginine Supplements LowPeople reports
- Artichoke Extract Supplements LowPeople reports
- Ashwagandha Supplements LowPeople reports
- Astaxanthin Supplements LowPeople reports
- Astragalus Supplements LowClinical
- Beta-Sitosterol Supplements LowPeople reports
- Bilberry Extract Supplements LowPeople reports
- Black Elderberry Supplements LowPeople reports
- Black Seed Oil Supplements LowPeople reports
- Boswellia Supplements LowPeople reports
- Bromelain Supplements LowClinical
- Catalase Supplements LowPeople reports
- Cerebrolysin Supplements LowClinical
- Chaga Supplements LowPeople reports
- Chamomile Supplements LowClinical
- Chlorella Supplements LowPeople reports
- Chondroitin Sulfate Supplements LowClinical
- Chromium Supplements LowPeople reports
- Chymotrypsin Supplements LowClinical
- Cinnamon Extract Supplements LowPeople reports
- Cissus Quadrangularis Supplements LowPeople reports
- Collagen Peptides Supplements LowPeople reports
- Cordyceps Supplements LowPeople reports
- Cortexin Supplements LowClinical
- Dandelion Root Supplements LowPeople reports
- Deglycyrrhizinated Licorice (DGL) Supplements LowPeople reports
- Diindolylmethane (DIM) Supplements LowPeople reports
- Diosmin Supplements LowPeople reports
- EAA (Essential Amino Acids) Supplements LowPeople reports
- Echinacea Supplements LowTheoretical
- Eleuthero Supplements LowPeople reports
- Evening Primrose Oil Supplements LowClinical
- Fenugreek Extract Supplements LowPeople reports
- Feverfew Supplements LowClinical
- Fisetin Supplements LowPeople reports
- Garlic Supplements LowClinical
- Ginger Supplements LowPeople reports
- Ginkgo Biloba Supplements LowClinical
- Glucosamine Supplements LowClinical
- Grape Seed Extract Supplements LowPeople reports
- Guarana Supplements LowPeople reports
- Gymnema Sylvestre Supplements LowPeople reports
- Hesperidin Supplements LowPeople reports
- Histidine Supplements LowPeople reports
- Holy Basil (Tulsi) Supplements LowPeople reports
- Hops Supplements LowPeople reports
- Horny Goat Weed Supplements LowPeople reports
- Horse Chestnut Extract Supplements LowClinical
- Hyaluronic acid (HA) Supplements LowClinical
- Indole-3-Carbinol (I3C) Supplements LowPeople reports
- Iodine Supplements LowClinical
- Jujube Seed Extract Supplements LowPeople reports
- Kava Kava Supplements LowPeople reports
- L-Carnitine Supplements LowPeople reports
- L-Carnosine Supplements LowPeople reports
- Lactase Supplements LowClinical
- Lavender Extract Supplements LowClinical
- Lecithin Supplements LowClinical
- Lemon Balm Supplements LowPeople reports
- Lion's Mane Supplements LowPeople reports
- Lipase Supplements LowClinical
- Lycopene Supplements LowPeople reports
- Maitake Supplements LowPeople reports
- Methylene Blue Supplements LowPeople reports
- Milk Thistle Supplements LowClinical
- N-Acetylcysteine (NAC) Supplements LowClinical
- Nattokinase Supplements LowPeople reports
- Nettle Root Supplements LowPeople reports
- Olive Leaf Extract Supplements LowPeople reports
- Omega-3 Supplements LowPeople reports
- Ornithine Supplements LowPeople reports
- Panax Ginseng Supplements LowPeople reports
- Papain Supplements LowClinical
- Passionflower Supplements LowPeople reports
- Pepsin Supplements LowPeople reports
- Phenylalanine Supplements LowPeople reports
- Phenylpiracetam (Phenotropil) Supplements LowPeople reports
- Phosphatidylserine (PS) Supplements LowTheoretical
- Polygala Tenuifolia Supplements LowPeople reports
- PQQ Supplements LowPeople reports
- Proline Supplements LowPeople reports
- Protein Supplements LowTheoretical
- Pycnogenol Supplements LowPeople reports
- Pygeum africanum (Bark) Supplements LowPeople reports
- Quercetin Supplements LowClinical
- Red Clover Supplements LowClinical
- Red Yeast Rice Supplements LowPeople reports
- Rosemary Extract Supplements LowPeople reports
- Sabroxy Supplements LowPeople reports
- Saffron Extract Supplements LowPeople reports
- Saw Palmetto Supplements LowPeople reports
- Schisandra Supplements LowPeople reports
- Selank Supplements LowPeople reports
- Serine Supplements LowPeople reports
- Serrapeptase Supplements LowPeople reports
- Shiitake Supplements LowPeople reports
- Shilajit Supplements LowPeople reports
- Silica Supplements LowPeople reports
- Spermidine Supplements LowTheoretical
- Spirulina Supplements LowPeople reports
- Superoxide Dismutase (SOD) Supplements LowPeople reports
- Trypsin Supplements LowClinical
- Turkey Tail Supplements LowPeople reports
- Vitamin B12 Supplements LowClinical
- Vitamin B9 Supplements LowClinical
- Vitamin K1 Supplements LowClinical
- Vitex Agnus-Castus Supplements LowClinical
- Aromatherapy Practices LowClinical
- Art Journaling / Sketching Practices LowClinical
- Ayurveda Practices LowPeople reports
- Continuous Glucose Monitoring Practices LowClinical
- Clay Sculpting / Modeling Practices LowClinical
- Self-Cupping Massage (Silicone) Practices LowClinical
- Face Icing / Cryo Rollers Practices LowClinical
- Knitting / Fiber Arts Practices LowClinical
- Herbal Steam Bath Practices LowClinical
- Herbalism / Phytotherapy Practices LowClinical
- Ice Bath / Cold Plunge Practices LowClinical
- Moxibustion Practices LowClinical
- Naturopathy Practices LowClinical
- Smart Posture Correctors Practices LowPeople reports
- Scalp Massage Practices LowClinical
- Scrapbooking Practices LowClinical
- Seed Cycling Practices LowClinical
- Sports Massage Practices LowClinical
- Thai Massage Practices LowClinical
- Wearable ECG Monitoring Practices LowClinical
- Alcohol Consumption Habits LowClinical
- Cold Exposure Habits LowClinical
- Consume Probiotics Habits LowClinical
- Get Fresh Air Habits HighTheoretical
- Monitor Blood Glucose Habits LowClinical
- Nature Walks Habits HighClinical
- Oil Pulling Habits LowTheoretical
- Spend Time in Nature Habits MediumTheoretical
- Sunscreen Use Habits LowClinical
- Vaping or E-Cigarette Use Habits LowClinical