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Dr Mercola SpiruGreen Superfood for Pets (with astaxathin) – 180 tablets

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Dr Mercola SpiruGreen Superfood for Pets (with astaxathin) – 180 tablets

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Healthy Pets SpiruGreen truly packs a one-two punch with all the nutrient value of spirulina, including carotenoids, phycocyanins and enzymes, plus all the goodness of microalgae astaxanthin, one of the world's most powerful fat-soluble antioxidant carotenoids.

Dr Mercola's Healthy Pets - Spirugreen offers two of natures most nutrient dense dietary supplements - the microalgae spirulina and astaxanthin containing microalgae. Studies suggest that astaxanthin and spirulina supplementation can help to support a healthy immune system, promotes a healthy coat, can help promote comfortable movement and flexibility, promotes normal neurological and eye health in dogs and cats, supports normal healthy cardiovascular health. 

The best of diets, even a raw, species-specific diet can come from soils that are depleted or from lower quality food sources and therefore the food simply loses many of its nutrients through processing and storage. And most commercially available pets foods, contain synthetic vitamins and minerals which have their place but are further removed from naturally derived supplements.

That is why Mercola Healthy Pets offer your pet two of nature's most nutrient-dense dietary supplements—the microalgae of spirulina including carotenoids, phycocyanins and enzymes and astaxanthin one of the world's most powerful fat-soluble antioxidant carotenoids.

Spirulina is also one of the richest beta-carotene ingredients, with ten mixed carotenoids including orange carotenes, alpha, beta, gamma, and yellow xanthophylls, these powerful antioxidants work synergistically in different sites in your pet's body.

Astaxanthin is considered by many to be “King” of the carotenoids; a potent class of fat-soluble antioxidants, so potent, in fact, astaxanthin's antioxidant capacity is up to… 550 times more powerful than vitamin E, 65 times more powerful than vitamin C, 54 times more powerful than beta-carotene and 5 times more powerful than lutein. Astaxanthin shows very strong free radical scavenging ability and helps protect cells, organs and tissues from oxidative damage. It’s also far more effective than other carotenoids at “singlet oxygen quenching” – a certain type of oxidation. What also makes astaxanthin especially impressive – and important for your pet in particular – is its ability to cross the blood-brain and blood-retina barriers to support brain and eye health. 

Suggested Daily Usage

For Cats (2+ lbs): Feed 1 tablet per day. To avoid a choking hazard, always break the tablet in half before feeding or crush and sprinkle over food. Some cats crave the taste of SpiruGreen and “sniff” it out, whilst others may be indifferent!

For Dogs: Your dog's size will determine the appropriate daily dosage and they will probably devour the tablets as a treat:

  • Toy Breed Dogs (up to 14lbs) 1 Tablet per day
  • Small Breed Dogs (15 to 29lbs) 11/2  tablets per day
  • Medium Breed Dogs (30-49lbs) 2 tablets per day
  • Large Breed Dogs (50-79lbs) 3 tablets per day
  • Giant Breed Dogs (80+lbs) 4 tablets per day

N.B: There's no danger in overfeeding SpiruGreen to dogs or cats.



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Delivery Information


For orders of £0 – £39.99 & under 2kg, delivery methods available are:
First Class / RM24 – £3.49 (estimated 1–3 days)

Second Class / RM48 – £2.99 (estimated 2–4 days)

For orders over £40 (and under 2kg) are sent Royal Mail 48 Tracked (unsigned) - FREE

For orders over £60 (and under 2kg) are sent Royal Mail 24 Tracked (unsigned) - FREE

For orders over £110 are sent DPD Courier (Royal Mail 24 Tracked for Special UK Postcodes) - FREE

If you require a guaranteed / fully trackable delivery option, or for orders weighing over 2kg, then there is also the option to have your order delivered by Courier as follows:

UK Mainland Next Day (WEEKDAY delivery) - £6.99

UK Mainland (SATURDAY delivery) - £16.99

UK Highlands & Highlands, Isle of Wight (two-day service) - £15.99

UK Offshore (N. Ireland, Isle of Man, Scilly Isles (two day service) - £18.99

ROI (two-day service) - £18.99

Channel Islands (two-day service) £18.99


All orders placed before 3.30pm* will be dispatched the same working day. Orders placed after 3.30pm* will be dispatched on the following working day. *Courier deliveries have an earlier cut-off.

For courier deliveries, order cut off for same day dispatch is 1.30pm. Orders placed after 1.30pm on a Friday will be dispatched on the following Monday for delivery on Tuesday (or Wednesday for UK special postcodes).

Saturdays, Sundays and all Bank & Public Holidays are classed as non-working days and orders will be dispatched on the next working day.

Email notification will be sent once your order has been dispatched. Please double check your delivery address is correct and contact us straight away if not.

If in the unusual situation there is an issue with your order, such as an item is unexpectedly out of stock or there is an issue with delivery, we will make contact with you. In these instances, we will keep you update via email or telephone to confirm the progress of the order.

Further information on UK deliveries as well as full information on international deliveries, please see our Delivery & Returns section of the website.

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