Best Anxiety Supplements for Horses (30+ List)


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Page last updated: 15/09/2022

Best Anxiety Supplements for Horses (30+ List)

This is a compilation of the top anxiety supplements for horses. These come in various forms like powder, syrup, and pellets. Add them to your horse’s daily nutrition to help it feel a lot more comfortable and calm.

What are the Best Anxiety Supplements for Horses?

Here are some of the best anxiety supplements for horses that you can purchase online:

Anxiety Supplements to Calm Your Horse

Horseback riding is an elite sport that has both recreational and commercial uses. However, owning a horse is serious business. These originally wild animals need a lot of care and upkeep for them to live healthy lives. A common behavioural problem in horses in anxiety caused either by separation or performance.

Anxious horses suffer from weight loss, stomach ulcers, diarrhoea, low immunity, teeth grinding, frequent urination, and stereotypic behaviour. Fortunately, there are many dietary supplements that you can give to your horse to relieve these symptoms.

These contain vitamins, minerals, amino acids, adaptogens and more that can help reduce horse anxiety. Here are the best anxiety supplements for horses available online:

Best Anxiety Supplements for Horses (30+ List)

Audevard Zzen

Available in liquid form, Audevard Zzen contains Magnesium, Tryptophan, Vitamins B1 and B6. These are ingredients that are found in successful calming supplements. It contains Bacopa Monniera, which has been proven to be a useful ingredient to decrease cortisol levels in horses. This in turn reduces anxiety.

Dodson & Horrell Placid

Dodson & Horrell Placid is made with Chamomile, lemon balm and vervain, which are renowned for their calming properties. It also contains Magnesium, which encourages an even temperament. Available as a powder, it’s ideal for horses and ponies prone to excitability or stress.

Feedmark Steady-Up

Includes chamomile and lemon balm which have traditionally been used for calming and soothing, Feedmark Steady-Up is an essential powdered horse supplement. It also has magnesium, to regulate nervous tension and B vitamins, which promote optimum nerve function. The yeast in it helps to maintain a healthy gut.

Global Herbs SuperCalm

SuperCalm powder works by utilising effective tropical herbal nutrition to address nervousness of any form. Horses become manageable and relaxed after consuming this. It contains sufficient magnesium and potassium to help maintain correct mineral balance and works quickly within 2-3 days.

Aviform Equable

Aviform Equable is made with a synergy of ingredients carefully chosen for relaxing and calming properties. It contains Magnesium, Calcium, Fenugreek, Brewer’s yeast and Fructo-oligosaccharides. Assisting stressful situations such as travelling, veterinary visits and shoeing, this calming powder is also gut-friendly!

Equiform Nutrition Stay Calm

This fine powdered calming supplement contains tryptophan, a natural calming agent for horses. Equiform Nutrition Stay Calm powder contains plant extracts as well as Vitamins and Amino Acids. This makes it perfect for your horse!

Hilton Herbs Calm & Collected Gold

Calm & Collected Gold is a liquid supplement containing herbs such as chamomile and valerian to help maintain a healthy nervous system in horses of all ages. They also have a dry equivalent of this, as well as supplements for injured horses and mares who are affected by seasonal change.

Hack Up Instant Liquid Caalm

Instant Liquid Caalm is free from sugar, magnesium and soya, and instead made with natural ingredients. Every drop of this liquid fusion of flowers targets calmness. The unique blend of chamomile, hawthorn and marshmallow flowers are blended with liquorice that calms and aids healthy behaviours.

Foran Equine Nutri-Calm syrup

Foran Equine Nutri-Calm Syrup is a calming supplement containing B vitamins, Magnesium and L-Tryptophan to aid nervous horses. B vitamins aid the nervous system, whereas magnesium relaxes the muscles and regulates cardiac rhythm and nerve signalling.

L-Tryptophan releases Serotonin, which is a neurotransmitter associated with inhibition of fear or stress.

Blue Chip Karma

Blue Chip Karma contains a water-soluble form of magnesium which can be quickly absorbed into the bloodstream. It also contains other beneficial vitamins and minerals, including vitamin C and L-tryptophan. The latter is a precursor for the hormone serotonin, which is known as the ‘feel-good’ hormone.

Equine America Super So-Kalm powder

This powder provides three key micronutrients that help the horse to maintain a calm outlook and concentrate on their work. Magnesium, Calcium and Vitamin B1 work together to tackle the effects of everyday stresses on your horse. These ingredients are specially formulated to reduce stress in a multipronged approach.

Mastacare Natural Herbal Calmer

Safe herbal complementary feed supplement for excitable and nervous horses contains natural valerian root, hops and yeast. It has a mild calming effect on the central nervous system. Beneficial for horses with stable vices, hyperactivity or excitability, this powder encourages relaxation in them.

Hi Form Herbanerve

HerbaNerve contains a range of nutrients which have a role in assisting the transmission of nerve impulses. Made with chamomile, hops, passion flower and Brewer’s yeast, this powder is popular and economical. It can be used daily or for competitions only depending on your horse’s requirements.

Horse First RelaxMe

RelaxMe is a unique double action formula which works on both the gut and the nervous system. It combines magnesium, vitamin E and B group vitamins to create a calmer more easy-going horse. Ideal for all horses and ponies, with this powder you will learn what’s best for them.

NutriScience Anxikalm

AnxiKalm Compete is a nutritional powdered supplement to help calm excitable horses in stressful conditions. Safe to use in competition horses and ponies, the key ingredients of AnxiKalm Compete are L-Tryptophan, B Vitamins and Magnesium.

Nettex eCalm

eCalm is a non-magnesium based, natural calmer with a prebiotic-like functionality. It has been developed by veterinary surgeons and scientists with proven results. Made with fermented wheat gram, this supplement supports calmness and well-being. Additionally it also maintains gut functionality and the health of the skin and coat.

Maxavita Maxacalm

Maxavita Maxacakm is a day-to-day calming supplement that is approved by the veterinary. With a relaxing herbal blend, MaxaCalm contains magnesium and l-tryptophan, which are known for making horses relaxed and tranquil. Make your horse stress-free with this amazing product!

Lincoln Herbs Valerian Cordial

This is made with valerian oil in linseed oil. It is magnesium-free which makes the horses calmer.and doesn’t affect their performance or focus. Its non-drowsy liquid formulation maintains calmness in anxious, excitable and highly strung horses.

Science Supplements ProKalm

ProKalm is an innovation in helping horses and ponies perform to their potential using a unique formulation that acts rapidly in as little as 30 minutes. However, the effects last up to 8 hours. It is available in feed form and syringes.

NAF Five Star Magic

Magic is a magnesium calmer with a five-star formula that is magnesium based. It also contains a unique combination of calming herbs and nutrients known to help relax muscle tissue and support concentration. By combining scientific, nutritional, and veterinary knowledge with the highest grade ingredients, Magic supplements have become top-notch.

TopSpec Calmer

TopSpec Calmer supplement has been developed with much more than a single ingredient and a single approach. It contains a pure protected yeast, MOS, B vitamins, magnesium, tryptophan and sepiolite clay. All of which act in different ways to help calm and relax responsive horses.

Omega ZenCalm

Omega ZenCalm powder has been developed using a selection of natural ingredients known to support behaviour, mood and stress. Brewers yeast tackles stress by supporting the digestive and nervous systems, whereas magnesium is famous for being an anti-stress mineral. Liquorice powder and garlic are incredible ingredients for maintaining the digestive system.

Plusvital Tryptocool

Plusvital Tryptocool contains Tryptophan, magnesium and yeast. Tryptophan is a precursor for Serotonin. Serotonin is a neurotransmitter associated with inhibition of fear or stress. Magnesium is essential for normal nerve and muscle function. The active yeast serves as a calming agent and a digestive aid.

Supreme Products Defuse

Supreme Products DeFuse Calming Supplement is available as an 80ml clear liquid in a jar. For ease of use they also have a syringe along with the product. It contains calming agents that harmonize your horse’s behaviours and calms them down.

SmartCalm Ultra Pellets

SmartCalm Ultra pellets contain Magnesium, Taurine,Inositol, Thiamine and L-Tryptophan. Such supplements are an ideal starting point for any horse that is excessively nervous, edgy, reactive, unconfident, or spooky. That is because the nutrients help to smooth out deficiencies in the diet that can interfere with normal functioning.

SmartMare Harmony Pellets

SmartMare Harmony is the ideal formula to help take her from moody to mellow! These pellets provide special herbs including chamomile and passion flower to help maintain a calm disposition. Raspberry leaf, chaste berry, ashwagandha root, and other specialized ingredients support normal hormone levels and a balanced temperament in mares.

Total Calm and Focus

Total Calm and Focus helps keep your horse focused. Magnesium and a balanced blend of vitamin B, present in this supplement has been beneficial for nervous and hyper horses.  has been committed to offering cutting-edge products that are made with pharmaceutical-grade ingredients, free of fillers and artificial ingredients.

Mare Magic

Mare Magic contains dried Raspberry Leaf, which has been known to help alleviate the effects of hormonal changes. It is recommended for mares with hard cycles, moody or cranky attitudes, or mares that just seem uncomfortable.Available in the form of pellets, Mare Magic is a palatable, all-natural, herbal supplement.

Vital Equine Vita Calm

Vita-Calm is a stress-reducing and calming, vitamin, mineral and amino acid dietary supplement. It can be used to calm horses prior to events which may cause nervousness or an over-excited condition, helping to reduce wash-outs. It contains 1000 milligrams of Tryptophan per ounce plus Thiamine, Magnesium and Calcium Carbonate.


Quiessence Pellet by Foxden Equine is a balanced Magnesium and Chromium formula designed to support calm, balanced behaviour in equines. It may also help animals by supporting normal glucose metabolism and increasing peripheral circulation. Quiessence, available in pellet form is all-natural and Show Safe with no known side effects.

Thera Calm EQ

Thera Calm EQ is designed to support a healthy GI tract and help horses focus and relax. A troubled GI tract sends signals to the brain which results in anxiety or behavioral issues.This powdered formula contains Haritaki, Ashwagandha, and Casein to help normalize cortisol levels brought on by stress.


This was a compilation of the top anxiety supplements for horses. These come in various forms like powder, syrup, and pellets. Add them to your horse’s daily nutrition to help it feel a lot more comfortable and calm.

Anxiety supplements for horses listed here were Audevard Zzen, Dodson & Horrell Placid, Feedmark Steady-Up, Global Herbs SuperCalm, and Aviform Equable, t Equiform Nutrition Stay Calm, Hilton Herbs Calm & Collected Gold, Hack Up Instant Liquid Caalm, Foran Equine Nutri-Calm syrup, Blue Chip Karma, Equine America Super So-Kalm powder, Mastacare Natural Herbal Calmer, Hi Form Herbanerve, Horse First RelaxMe, NutriScience Anxikalm, Nettex eCalm, and Maxavita Maxacalm.

We also talked about Lincoln Herbs Valerian Cordial, Science Supplements ProKalm, NAF Five Star Magic, TopSpec Calmer, Omega ZenCalm, Plusvital Tryptocool, Supreme Products Defuse, SmartCalm Ultra Pellets, SmartMare Harmony Pellets, Total Calm and Focus, Mare Magic, Vital Equine Vita Calm, Quiessence, and Thera Calm EQ.

FAQs (Best Supplements for Horses)

Do calming supplements for horses work?

A calming supplement can work on some horses but not others. That’s why there are so many different kinds available for purchase. To know which one will work for you, consult a veterinarian or horse nutritionist to find out. They will let you know which supplements and at what doses will be best for your horse, given its unique case history.

What vitamins are good for horses?

Vitamin A, B C, D, E, and K are essential to horses’ diet for good health. But it is also important to note that quantities are equally important. Consult a veterinarian to know just how much of these vitamins to give your horse. Too much of it can cause illness.

Are horse supplements a waste of money?

Nutritional imbalances can adversely affect the health of your horse. If it suffers from depression or anxiety, an effective treatment is through supplements. However, it is crucial to do your research before this or else you might give it the wrong one. That would definitely be a waste of money.