Substances & herbs
Herbs, supplements and nutraceuticals — efficacy, safety and interactions, substance by substance.
45 pages
- Omega-3 fatty acids (fish oil) for canine osteoarthritisWhat does scientific evidence say about omega-3 fatty acids from fish oil for dogs with osteoarthritis? Mechanism, usage considerations and safety.Strong evidenceSafe when used correctly
- Aloe vera in animals: benefits and toxicityAloe vera is toxic to dogs and cats if ingested orally. No evidence of efficacy; anthraquinone glycosides cause vomiting, diarrhoea and organ damage.No evidence of effectToxic — do not use
- Apple cider vinegar in animals: does it work? Evidence reviewApple cider vinegar for dogs and cats: what does the evidence say? No clinical studies; possible risks of skin and gastric irritation.No evidence of effectCaution — conditions and risks
- Ashwagandha in animals: stress and evidenceAshwagandha in dogs: what does the evidence say about stress, anxiety and ageing? Honest monograph with RCT data and safety information.Reasonable evidenceSafe when used correctly
- Boswellia & curcumin for joint issues (dog)Boswellia and curcumin for joint issues in dogs: what does science say, what are the risks, and when to consult a vet?Reasonable evidenceSafe when used correctly
- Brewer's yeast against fleas: myth checkBrewer's yeast does not work as a flea remedy for dogs and cats—the myth debunked with available scientific evidence.No evidence of effectCaution — conditions and risks
- Bromelain in animals: inflammation and digestionBromelain in dogs: what does the evidence say about anti-inflammatory effects and digestion? Honest assessment, weak evidence, safety info.Weak evidenceSafe when used correctly
- Calendula (marigold) for skin and woundsCalendula (marigold) in dogs and cats: topical wound healing and skin care, evidence and safety.Reasonable evidenceSafe when used correctly
- CBD in cats: evidence, safety and pharmacokineticsCBD in cats: evidence, safety and pharmacokinetics — what research says about efficacy, side effects and risks.Weak evidenceCaution — conditions and risks
- CBD in horses: evidence and dopingCBD in horses: evidence, doping and safety — independent overview for horse owners and vets.Weak evidenceRisky
- Chamomile in animals: calming and skinChamomile in dogs and cats: claims, risks and what the evidence does (not) say about calming and skin.Very weak / anecdotalRisky
- Co-enzyme Q10 in animals: heart and energyCo-enzyme Q10 in dogs: role in heart and energy, evidence from RCTs in MMVD, safety and interactions.Reasonable evidenceSafe when used correctly
- Coconut oil in animals: hype versus evidenceCoconut oil for dogs and cats: what does the evidence say? Popular supplement, but no clinical proof for skin, coat or immune system. Read the risks.Very weak / anecdotalCaution — conditions and risks
- Collagen and cartilage supplements in animalsCollagen and cartilage supplements in dogs: evidence, mechanism and safety in osteoarthritis and joint problems.Reasonable evidenceSafe when used correctly
- Cranberry for urinary tract issues in dogs and catsCranberry for urinary tract issues in dogs and cats: mechanism of action, evidence and safety.Insufficiently studiedSafe when used correctly
- D-mannose for urinary tract infections in animalsD-mannose for urinary tract infections in dogs and cats: what it is, how it works and what the evidence says.Insufficiently studiedSafe when used correctly
- Dandelion in animals: liver and urinary tractDandelion for dogs and cats: liver and urinary support — what the evidence says on safety and efficacy.Weak evidenceSafe when used correctly
- Devil's claw for joint complaints (dog and horse)Devil's claw (Harpagophytum) for joint complaints in dogs and horses: evidence, safety and legal framework.Weak evidenceCaution — conditions and risks
- Echinacea and the immune system in animalsEchinacea for dogs: what science says about immune stimulation, safety and the limits of the evidence.Weak evidenceCaution — conditions and risks
- Evening primrose oil (GLA) for skin complaintsEvening primrose oil (GLA) for skin complaints in dogs and cats: efficacy, evidence and safety.Reasonable evidenceSafe when used correctly
- Flaxseed and flaxseed oil in animalsFlaxseed and flaxseed oil for dogs and horses: omega-3 source, evidence, safety and limits of ALA conversion.Reasonable evidenceSafe when used correctly
- Ginger for nausea and vomiting (dog)Ginger in dogs: honest evidence overview (grade C), safety and interactions for nausea and vomiting.Weak evidenceSafe when used correctly
- Glucosamine and chondroitin for osteoarthritis: the evidenceGlucosamine and chondroitin for osteoarthritis in dogs and cats: what does the scientific evidence say?No evidence of effectSafe when used correctly
- Green-lipped mussel for osteoarthritisGreen-lipped mussel for osteoarthritis in dogs and cats: evidence (grade B), safety and practical use. Independent and scientifically substantiated.Reasonable evidenceSafe when used correctly
- Hemp seed oil in animals (not the same as CBD)Hemp seed oil for dogs and cats: omega fatty acids, no THC or CBD, honest evidence (grade C) and safety advice.Weak evidenceSafe when used correctly
- Krill oil in animals versus fish oilKrill oil in dogs and cats compared with fish oil: efficacy, evidence, safety and interactions based on animal studies.Weak evidenceSafe when used correctly
- L-theanine and alpha-casozepine for anxiety in dogs and catsL-theanine and alpha-casozepine for anxiety in dogs and cats: what does research say about efficacy and safety?Weak evidenceSafe when used correctly
- Manuka honey for animal wounds: evidence and safetyManuka honey for animal wounds: evidence, safety and use in dogs, cats and horses.Reasonable evidenceSafe when used correctly
- Melatonin in animals: sleep, behaviour and coatMelatonin in dogs and cats: what does the evidence say about sleep, behaviour and coat recovery? Honest discussion of indications, safety and limitations.Weak evidenceCaution — conditions and risks
- MSM (methylsulfonylmethane) for joint complaints in dogs and horsesMSM (methylsulfonylmethane) for joint complaints in dogs and horses: what it is, what the science says and when to consult a vet.Weak evidenceSafe when used correctly
- Nettle in animals: allergy and jointsNettle in dogs and horses: anti-inflammatory potential from animal models, but clinical evidence is lacking. Fresh plant is dangerous.Weak evidenceSafe when used correctly
- Probiotics for diarrhoea and gut health (dog)Evidence-based overview of probiotics for acute diarrhoea in dogs: evidence, safety and when to see a vet.Reasonable evidenceSafe when used correctly
- Propolis in animals: immune and woundsPropolis in dogs and cats: what it is, how it works and what the evidence says about wound healing and immune support.Weak evidenceCaution — conditions and risks
- Psyllium and fibre in animals (incl. sand colic horse)Psyllium is a soluble fibre used in horses for sand colic and in dogs for bowel regulation. Evidence: moderate (grade B).Reasonable evidenceSafe when used correctly
- Pumpkin seeds against worms: do they work? (NL context)Pumpkin seeds as a dewormer for dogs and cats: what does the evidence say? Cucurbitin shows lab results, but clinical studies are entirely lacking.Very weak / anecdotalSafe when used correctly
- Quercetin for animal allergy and itchingQuercetin for itching and allergy in dogs and cats: laboratory effects shown, clinical evidence in live animals entirely lacking.Very weak / anecdotalSafe when used correctly
- SAMe & silybin for liver support in animalsSAMe and silybin (milk thistle) for liver problems in dogs and cats: evidence, safety and what you need to know.Reasonable evidenceSafe when used correctly
- Seaweed and kelp in animals: benefits and risksSeaweed and kelp as supplements for dogs and cats: what science says about efficacy, iodine risks and contamination.Insufficiently studiedRisky
- Silymarin (milk thistle) for liver support in animalsSilymarin (milk thistle) for liver support in dogs and cats: evidence, safety and when a vet is required.Weak evidenceSafe when used correctly
- Spirulina in animalsSpirulina in dogs and cats: what the evidence says on immune function, gut microbiota stability and safety risks of contaminated products.Weak evidenceCaution — conditions and risks
- St John's wort in animals: interactions and phototoxicitySt John's wort in dogs and cats: ASPCA toxic, phototoxicity and serious drug interactions via CYP3A4 induction.No evidence of effectToxic — do not use
- Taurine in animals: heart and catsTaurine is strictly essential for cats and semi-essential for dogs. Deficiency causes heart disease, blindness and reproductive disorders.Strong evidenceSafe when used correctly
- Turmeric (curcumin) in animalsTurmeric (curcumin) in dogs and cats: what the evidence says on efficacy, safety and interactions for joint complaints and inflammation.Weak evidenceCaution — conditions and risks
- Valerian for calming in dogs and catsValerian as a calming herb for dogs and cats: what does research say, how safe is it, and when to consult a vet?Insufficiently studiedSafe when used correctly
- Yucca for joint complaints in animalsYucca schidigera for joint complaints in dogs and horses: active substances, evidence (grade D), safety and when to see a vet.Very weak / anecdotalCaution — conditions and risks