# NAF VitaFerrin V303.4000 4L Liquid Horse Supplement

V303: NAF VitaFerrin is a 4L liquid horse supplement described as iron-rich and fortified with vitamins, minerals and amino acids. Its liquid format and claimed 133-day supply at 30ml daily suit buyers seeking a long-running feed addition, but the dose and composition should be checked against the horse’s diet and needs.

- [Original product page](https://bargainpostbox.co.uk/product/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [View offer](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: NAF
- Model: V303.4000
- Category: Pet Supplies > Pet Grooming & Health > Pet Health
- Price: 31.25 GBP
- Previous price: 33.39 GBP
- Discount: 6%
- Price checked: 2026-11-13T06:02:16.536Z
- Rating: 4.4 / 5
- Reviews: 16

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listing describes an iron-rich formula with vitamins A, D3 and E, B-complex vitamins, zinc, copper and selenium.
- Also lists L-Lysine and DL-Methionine, alongside claims of support for muscle health, immune function and energy metabolism.
- The stated maintenance feeding estimate is around 133 days at 30ml per day.
- Liquid form may be convenient to add to feed, though the claimed rapid absorption is a listing claim.

## Pros

- Large 4L format with a stated daily feeding estimate, useful for buyers planning routine use.
- Combines iron with a range of listed vitamins, minerals and amino acids in liquid form.
- Unflavoured listing may suit buyers looking for a supplement without a stated flavour.

## Specifications

### Identity
- Brand: NAF
- Model: V303.4000
### Form and suitability
- Item form: Liquid
- Flavour: Unflavoured
- Age range: All Life Stages
- Target species: Horse
- Breed recommendation: All Breed Sizes
- Recommended uses: Horses and ponies
### Listed formulation details
- Special ingredient: Yucca
- Allergen information: Allergen-Free
- Diet type: Raw
- Nutrient content claim: Low Calorie
### Pack and weight
- Number of items: 1
- Package size name: Bottle
- Weight listed: 4.13 Kilograms

## Before you buy

- The stated supply duration depends on feeding 30ml daily and is an approximate listing estimate. Follow the product’s feeding directions and account for the horse’s full diet when considering an iron- and nutrient-containing supplement.

## In the box

- See Description (Included)

## A good fit for

- Horse owners considering a liquid iron and vitamin supplement for training or general nutritional support.
- Buyers who prefer a larger bottle and can follow a daily feed-addition routine.

## Less suited to

- Buyers seeking an iron-free or single-ingredient supplement.
- Anyone who needs confirmed nutrient concentrations or an individually tailored feeding plan from this listing.

## Customer feedback

Aggregate ratings lean positive, with a substantial five-star share, but a smaller one-star share shows that experiences are not uniform. With no written feedback supplied, these figures do not explain what customers liked or disliked. They cannot confirm the stated nutrient blend, daily dose or performance claims.

## Frequently asked questions

### How much does the listing say to feed daily?
It describes an approximate 133-day supply from a 4L bottle at 30ml per day. Follow the product label for current feeding instructions.
### What nutrients are listed?
The feature text names iron, vitamins A, D3, E and B-complex, zinc, copper, selenium, L-Lysine and DL-Methionine. It does not give amounts for these nutrients.
### Is VitaFerrin a liquid?
Yes. The listing identifies the item form as liquid and the flavour as unflavoured.
### Which animals is it intended for?
The listing identifies horses as the target species and says it is recommended for horses and ponies.

## Alternative options

- [EQUITOP® Myoplast - Muscle Supplement for Horses, 1.5 kg](https://bargainpostbox.co.uk/visit/equitop-myoplast-horse-muscle-supplement)
- [Equine Products Ireland – Gastro Sport – Horse Supplies Gut Health Supplement with Probiotics, Prebiotics & Magnesium, Supports Digestion, Immunity & Focus – Complementary Horse Feed \(2kg \(4.4lbs\)\)](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Annimally Iron Liquid Supplement for Horses with Acerola 1 L \| 210 mg of iron per 30 ml daily dose, horse supplement with iron\(II\) glycine chelate as a source, ideal for adding to feed](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Equine Products Ireland – Copper Xtra Performance – Horse Supplements for Muscle Function, Coat Color & Energy, Supports Iron Metabolism & Recovery – 5 kg \(11 lbs\) Complementary Horse Feed](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [NAF General Purpose Supplement 3kg – Everyday Nutritional Support for Horses – With Vitamins, Minerals & Trace Elements – Promotes Health, Condition & Vitality](https://bargainpostbox.co.uk/visit/naf-general-purpose-horse-supplement-g60-3)
- [NAF Five Star GastriVet 2kg – Advanced Gastric Supplement for Horses – Supports Stomach Lining, Gut Health & pH Balance – With Prebiotics, Probiotics & Postbiotics](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Equivite Original Horse Supplements \(3kgs\) \| Horse Multivitamin & Mineral Supplement, Suitable for Horses & Ponies on Low-Levels of Compound Horse Food](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Equine Products Ireland – Calm Equine – Daily Use Calmer for Anxious or Excitable Horses, Reduces Stress, Supports Focus & Mood Stability, Magnesium & L-Tryptophan Horse Feed Formula – 2 kg \(4.4 lbs\)](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Equine Products Ireland – Cal+ – Calcium & Mineral Horse Supplements for Mares, Foals & Yearlings, Supports Bone Strength, Immune System & Skeletal Horse Feed Development – 10 kg \(22 lbs\)](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Equine Products Ireland – Gastro Prep – Probiotic & Vitamin Horse Supplements, Supports Gut Health, Calm Behavior, Coat & Hoof Quality, Bone Strength – Horse Supplies – 10 kg \(22 lbs\)](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Feedmark Ultimate Gastro-Ease \| Complete Equine Support With Pre-, Pro- and Postbiotics To Optimise Digestion In Horses \| 30 Days Supply \| 3.8kg \| 100% British Made \| UFAS & BETA NOPS Accredited](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)
- [Natural Animal Feeds Himalayan Crystal Salt Lick](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)

## Add-ons

- [NAF Biotin Plus Refill – High Strength Hoof Supplement for Horses – Supports Healthy Hoof Growth, Strong Horn Structure & Cracked Hooves – with MSM, Zinc, Methionine – 2kg Powder](https://bargainpostbox.co.uk/visit/naf-vitaferrin-v303-4000-4l-horse-supplement)

## Images

![NAF VitaFerrin V303.4000 4L Liquid Horse Supplement — 1](https://bargainpostbox.co.uk/i/HeuVGV_RQ5eEp1Az-lCSAzAfKyacQ7loy-RU9YkZxAayt0BnmO-DF5kBpeJm7owQNWMhKaVVKzm7De7CX8K-HsOopEM_U0asaGAy037YwrJNjYDu0wjwQdof.jpg)

![NAF VitaFerrin V303.4000 4L Liquid Horse Supplement — 2](https://bargainpostbox.co.uk/i/GNwnkbi0Gtsdp1xN4UD-14Sx27AVpQ9Ak6R_aWYKSDm8TF__lHnb30BNcewE69IGhjQS02bry-239j5SGj33C8lbdYj-HzrrqpwGV68ALwPlVaU5sbLHtCIx.jpg)

![NAF VitaFerrin V303.4000 4L Liquid Horse Supplement — 3](https://bargainpostbox.co.uk/i/TlFQnm0cJssASf0keOWf2Ghqn0AjHR1g5YEvPzD-A1cXo7cBnqnYUuKCF3o4Mf2kkSP-0zsbgb2XEjp8QzZh9N6vZt6Bcrq6PaFeyDlVDDlYYPkzlF0nM-pW.jpg)

![NAF VitaFerrin V303.4000 4L Liquid Horse Supplement — 4](https://bargainpostbox.co.uk/i/XpmiXSokiyKqlf093P67Uz7AEyFzyfyRlo_1o_kJ3wjWiCky4sEYLsRJipu1EONDIOR3qQEGWy_UBOJvrHDMf4EcvBXZJ2FnbPMwMd97pF3dH1R5-9DFeZ0L.jpg)

![NAF VitaFerrin V303.4000 4L Liquid Horse Supplement — 5](https://bargainpostbox.co.uk/i/I73kCexzjkrUTdr9qIdrHh99pjqw8aUcwtiyfpM9H7thXtbSzcbQeMw0V0D8YGgxIbz37p8HzVoO_3gDGknL6tv9PSwdR6y0FhBdgfuCCLmQzXZfGnopBJsv.jpg)