NAF Oestress Powder 500g – Hormonal and Behavioural Support for Mares
NAF Oestress Powder 500g is a specialist equine supplement designed to support hormonal balance, calm behaviour and concentration in mares. Formulated with a carefully selected combination of herbs, magnesium and nutritional ingredients, Oestress provides targeted support for mares experiencing seasonal mood changes, tension or changes in temperament.
Some mares experience behavioural changes associated with their normal hormonal cycles. These changes may affect their concentration, willingness to work or general behaviour during training and everyday handling.
NAF Oestress Powder provides nutritional support for mares that may become tense, distracted or unsettled during particular times of the year.
The formulation contains traditional botanical ingredients including chaste tree berries, black cohosh, Withania, skullcap and schisandra berries, alongside magnesium oxide and other selected nutritional components.
Supplied in a convenient 500g tub, NAF Oestress Powder is designed for daily feeding and can be incorporated into an appropriate equine nutritional programme.
Why Choose NAF Oestress Powder?
- Specialist nutritional supplement for mares
- Designed to support normal hormonal balance
- Helps support calm behaviour and concentration
- Suitable for mares experiencing seasonal mood changes
- Contains carefully selected botanical ingredients
- Includes chaste tree berries and magnesium oxide
- Contains Withania, skullcap and schisandra berries
- Supports everyday behaviour and trainability
- Can be fed throughout the year according to individual requirements
- Flexible loading and maintenance feeding rates
- Easy-to-feed powdered formulation
- Convenient 500g tub
Hormonal Support for Mares
Mares naturally experience hormonal fluctuations as part of their reproductive cycle. In some individuals, these changes may be accompanied by increased tension, irritability or variations in behaviour.
NAF Oestress Powder is formulated to provide nutritional support during periods when hormonal changes may influence a mare’s temperament or concentration.
The combination of selected herbs and magnesium provides a practical addition to an appropriate feeding programme.
However, changes in behaviour may have several causes, including pain, discomfort, management issues or underlying health conditions.
Persistent or unusual behavioural changes should therefore be discussed with a veterinary surgeon.
Supporting Calm Behaviour and Concentration
Calmness and concentration are important during schooling, training and everyday handling.
Some mares may become distracted or unsettled during particular stages of their hormonal cycle, which can make consistent training more challenging.
NAF Oestress Powder provides nutritional support for mares that may benefit from additional help maintaining a relaxed and focused outlook.
Its formulation is designed to complement appropriate training, consistent handling and suitable management.
Traditional Herbal Ingredients
NAF Oestress contains a carefully selected blend of botanical ingredients commonly associated with traditional equine herbal nutrition.
Chaste Tree Berries
Chaste tree berries, also known as Vitex agnus-castus, are traditionally included in herbal formulations associated with female reproductive and hormonal support.
They form part of the specialist botanical blend used in NAF Oestress.
Withania
Withania is a botanical ingredient included in various equine supplements intended to support normal wellbeing and behaviour.
Within Oestress, it complements the wider herbal formulation.
Magnesium
Magnesium is an essential mineral involved in normal nerve and muscle function.
NAF Oestress contains magnesium oxide as part of its nutritional composition.
Additional Botanical Ingredients
The formulation also contains black cohosh, skullcap, schisandra berries, rosehip shells, liquorice root, turmeric and ginger root.
These ingredients contribute to the product’s specialist herbal composition.
Year-Round Support for Mares
Although hormonal behaviour is often associated with particular seasons, some mares may require nutritional support at different times throughout the year.
NAF Oestress Powder is designed to be included in a suitable daily feeding routine according to the individual mare’s requirements.
The manufacturer’s feeding guidance allows the recommended maintenance amount to be adjusted within the stated range.
For best results, combine appropriate nutrition with regular turnout, suitable exercise and consistent horse management.
When to Use NAF Oestress Powder
NAF Oestress may be considered for mares requiring additional nutritional support for normal hormonal and behavioural function.
- Mares experiencing seasonal mood fluctuations
- Mares that become tense or unsettled
- Horses showing changes in concentration or trainability
- Mares requiring additional behavioural support
- Periods when normal hormonal cycles influence temperament
- Horses requiring carefully managed nutritional support throughout the year
NAF Oestress is not recommended for pregnant mares. Breeding mares should have supplementation discontinued two months before mating, according to the supplied manufacturer’s label.
Product Information
Brand: NAF
Range: Oestress for All Seasons
Product: Oestress Powder
Type: Equine Hormonal and Behavioural Support Supplement
Pack Size: 500g
Category: Supplements & Herbs / Calming
Form: Powder
Loading Rate: 30g daily for 5–7 days
Maintenance Rate: 10–20g daily
Scoop Measurement: Approximately 10g per level 20ml scoop
Feeding Instructions
Feed NAF Oestress Powder when your mare becomes tense or experiences mood fluctuations that may affect temperament and performance.
Horses and Ponies
Loading Rate (5–7 days): 30g per day (3 scoops).
Maintenance Rate: 10–20g per day (1–2 scoops).
Scoop Measurement: One level 20ml scoop provides approximately 10g.
Introduce gradually for fussy feeders.
The manufacturer’s recommended amount may be used initially and during seasonal peak periods.
Maintenance feeding levels may be adjusted according to individual requirements and are not necessarily related to bodyweight.
The supplied label also indicates that Oestress may be suitable for stallions and geldings exhibiting stallion-like behaviour.
Important: Not recommended for pregnant mares. For breeding mares, discontinue Oestress two months before mating.
Composition
Chaste tree berries, guelder rose bark, magnesium oxide, black cohosh root (ground), Withania, dried carrots, sunflower seeds, jiaogulan, calcium carbonate, rosehip shells, skullcap, schisandra berries, dried edible mushroom, dried algae (Chlorella species), turmeric, monoglycerides of fatty acids (oleic acid), liquorice root, ginger root, refined rapeseed oil, cane molasses, lignocellulose, feed wheat and glycerine.
Technological Additives
Preservatives (per kg):
- Formic Acid (1k236): 0.14mg
- Propionic Acid (1k280): 5.73mg
Analytical Constituents
- Crude Protein: 9.0%
- Crude Fat: 9.8%
- Crude Ash: 30.6%
- Crude Fibre: 21.5%
- Sodium: 0.025%
Convenient 500g Supplement
NAF Oestress Powder is supplied in a practical 500g tub for regular feeding.
At a maintenance rate of 10g daily, one tub provides approximately 50 days’ supply.
At a maintenance rate of 20g daily, the same tub provides approximately 25 days’ supply.
Actual usage will vary depending on the initial loading period and the individual feeding programme.
Supporting Everyday Equine Wellbeing
A horse’s behaviour can be influenced by diet, hormonal activity, physical comfort, management and environmental conditions.
Maintaining a suitable routine that includes appropriate forage, turnout, exercise and consistent handling is important for overall wellbeing.
NAF Oestress Powder provides additional nutritional support for horses experiencing certain behavioural challenges.
However, supplementation should complement rather than replace professional veterinary assessment where behavioural changes suggest pain or illness.
Important Information
- Follow the manufacturer’s recommended feeding instructions.
- Introduce gradually for fussy feeders.
- Not recommended for pregnant mares.
- Discontinue supplementation two months before mating in breeding mares.
- Consult your veterinary surgeon before use in horses receiving medication or undergoing treatment.
- Seek veterinary advice for persistent or unusual behavioural changes.
- Check current competition regulations and manufacturer guidance before use.
- Store according to the instructions on the product packaging.
NAF Oestress Powder for Calmness and Concentration
NAF Oestress Powder 500g combines traditional botanical ingredients with magnesium and other selected nutritional components to support hormonal balance and behaviour in mares.
Designed to support a calm outlook, concentration and trainability, this supplement provides flexible daily feeding options according to individual requirements.
With its specialist herbal formulation and convenient 500g tub, NAF Oestress Powder is a practical addition to a carefully managed equine nutritional programme.







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