NAF Oestress

Product Code: 100450
NAF Oestress contains effective herbal extracts, to support your mare's hormones throughout her oestrus cycle; as well as magnesium to promote calmness. It's also rich in antioxidants, to boost overall health.
£18.79 inc VAT
£18.79 ex VAT
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Oestress can be fed just during spring & summer, when your mare is at her most temperamental, or if needed, all year round. Oestress contains Magnesium; Chastetree berries; Black cohosh; Crampbark; Turmeric; Ginger; Milk Thistle & Rosehip. Oestress can also be given to geldings who are showing "riggy" behaviour. It is not recommended to feed Oestress to pregnant mares; also discontinue use on broodmares 2 months before covering. Feeding Instructions- Give a higher loading rate initially, then lower to a maintenance rate. The maintenance rate can be adjusted to suit your individual mare & isn't necessarily related to bodyweight. Powder: Loading rate (7-10 days)- 30g daily Maintenance- 10-20g daily 500g will last upto 50 days (based on 10g daily) 1kg will last upto 100 days (based on 10g daily) 2.5kg will last upto 250 days (based on 10g daily) 8kg will last upto 800 days (based on 10g daily) Liquid: Loading rate (3-10 days)- 50ml daily Maintenance- 25-50ml daily 1 litre will last upto 40 days (based on 25mls daily) 2 litres will last upto 80 days (based on 25mls daily) 5 litres will last upto 200 days (based on 25mls daily) NAF is part of the BETA NOPS scheme.

Delivery Charges

Orders £29 and over

All deliveries free by Royal Mail or Courier*

*Excluding fridge items and parcels delivered to restricted postcodes

Orders under £29

Orders under £29 are charged by weight (product & packaging):

Under 2kg - £2.95 (standard delivery)

Over 2kg - £5.95 (courier)

Refrigerated items - £9.95 (next-day tracked courier)

Parcels containing aerosols or prescription medication - £5.95 (courier)

Delivery times

Free standard delivery - 2-5 working days

Standard delivery - 2-5 working days

Premium next day delivery - Guaranteed next day**

Special courier delivery - Guaranteed next day by 1pm**

Restricted postcode - 2-7 working days

**Available on selected products. Only dispatched Monday to Thursday and we must receive the order and prescription (if applicable) by 12 noon.

Delivery Information

Prescription medication cannot be sent until a valid prescription is received.

We send all our prescription medication, aerosols and fridge items by a tracked courier service. They are dispatched Monday to Thursday. Please see our Delivery Information page for more information.

Fridge items will be delivered in insulated packaging using a premium courier service, guaranteed to arrive by 1pm the day after dispatch. These measures ensure the product remains between 2-8°C and arrives in perfect condition. We will contact you when your order has been processed and is ready for dispatch.

**Please be at home to receive your fridge items as they need to be kept between 2-8°C **

Premium next day delivery is only available on selected products and we must receive your order and prescription (if applicable) by 12 noon.

If you require your order more urgently, please do not hesitate to Contact Us. We may be able to offer a more premium courier service, including delivery by 10 or on a Saturday, for an additional delivery fee.

Instructions for delivery drivers can be left in the “Delivery Instructions” box at checkout. Please leave instructions so that your delivery driver can find your house easily. You can also include your ‘safe place’ information in this box, e.g. “If out, leave with neighbour at No 21”.

Certain postcodes in Scotland and some offshore addresses do incur a delivery surcharge with our courier and may have a longer delivery service. We apologise if you are affected by this and appreciate your understanding.

We currently cannot send fridge items to the Scottish Islands & Highlands and the Isle of Man due to courier restrictions on delivery times. We apologise for any inconvenience caused by these restrictions.


If for any reason you are not fully satisfied with any product you have purchased from us, you can cancel the order and return it to us. You have 14 days from the day you receive your order to notify us if you want to cancel the order or exchange the item.

Please note, we cannot offer a refund for medications due to current legislation, which prevents these goods being offered for resale. This law is in place to ensure the safety of your horse or pet. However, we are happy to accept returns and dispose of the medication safely for you. For more information, please see our Returns and Refunds Page.