Sea-Flex Joint Powder | For Healthy Joints and Mobility

$37.95

Sea-Flex is a daily joint support powder to help maintain mobility, flexibility, and comfort in pets made with sea cucumber, green-lipped mussel, and glucosamine. Sea-Flex is formulated for daily use to help your pet stay active, comfortable, and resilient.

Supports Joint Mobility and Comfort
Ideal for Prevention and Recovery
Promotes Long-Term Joint Integrity
Great for Active and Aging Pets
Select an option:
Supports even better with:
Joint Support Herbal Tonic Blend | Helps Stiffness and Soreness
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Sea-Flex Joint Supplement Powder is a daily-use formula designed to support long-term joint comfort, flexibility, and resilience in both cats and dogs. It works with the body to maintain healthy joints, support connective tissue strength, and promote natural resilience against the wear and tear of daily movement. At the heart of the blend is green-lipped mussel, a marine superfood naturally rich in glycosaminoglycans and omega-3 fatty acids which promote healthy, normal inflammation. 

What makes Sea-Flex especially effective is its thoughtful combination of joint-supportive herbs and antioxidants. Rather than relying on isolated compounds, Sea-Flex combines green-lipped mussel and astaxanthin, antioxidant-rich herbs, and gentle detoxifiers that help the body manage inflammation, nourish cartilage, and protect joint tissues from oxidative stress. Ideal for pets showing early signs of stiffness, aging animals, or active companions who need everyday joint support, this formula helps keep your pet moving comfortably—without artificial additives or unnecessary fillers. Whether used for prevention or ongoing care, Sea-Flex offers natural, full-spectrum support to help your pet stay active and comfortable throughout every stage of life.

Animal Essentials’ Sea-Flex stands out for its clean, whole-food approach to joint support, combining sustainably sourced New Zealand green-lipped mussels with calcified red seaweed, a balanced source of bioavailable calcium and magnesium. Unlike conventional joint supplements that rely on synthetic additives or isolated compounds, Sea-Flex features a unique blend of functional herbs and marine antioxidants that help protect joints from oxidative stress. With no fillers, artificial flavors, or preservatives, Sea-Flex offers a gentle yet effective solution for pets needing daily joint comfort and long-term mobility.

Why Animal Essentials difference

Active Ingredients per 1 tsp (3g):

A proprietary blend of: Dehydrated (calcified) Seaweed, Green-lipped mussel, Yucca root, Horsetail herb, and Licorice root…250mg

*certified organic herbs 

NASC Certified
We've Rebranded
All-Natural Herbal Supplements
Made in USA with Globally Sourced Ingredients
NASC Certified
We've Rebranded
All-Natural Herbal Supplements
Made in USA with Globally Sourced Ingredients

Your guide to safe, effective herbal support—tailored to your pet.

Directions: Add to food once daily with scoop provided.

Whole Herbs, Real Benefits
Green-Lipped Mussel (Perna canaliculus)
A marine superfood packed with omega-3 fatty acids (EPA, DHA, ETA), glycosaminoglycans, and unique marine proteins that promote joint lubrication, help reduce stiffness, and support cartilage health.
Green-Lipped Mussel (Perna canaliculus)
Green-Lipped Mussel (Perna canaliculus)
Nutrients: Omega-3 fatty acids, glycosaminoglycans, essential vitamins and minerals.
Origin: New Zealand
Green-Lipped Mussel (Perna canaliculus)
Calcified Red Seaweed (Lithothamnion spp.)
A mineral-dense sea plant that accumulates calcium, magnesium, and trace elements during its life cycle. This algae-based calcium source supports bone strength, muscle function, and healthy cartilage without the contaminants often found in land-based mineral sources.
Calcified Red Seaweed (Lithothamnion spp.)
Calcified Red Seaweed (Lithothamnion spp.)
Nutrients: Calcium, magnesium, iron, potassium, iodine, and fiber.
Origin: United States of America
Calcified Red Seaweed (Lithothamnion spp.)
Yucca Root (Yucca schidigera)
Yucca root contains natural saponins and antioxidants that support the body’s natural response to inflammation. Often included in mobility blends, yucca can assist with occasional stiffness and help promote joint comfort during daily movement.
Yucca Root (Yucca schidigera)
Yucca Root (Yucca schidigera)
Nutrients: Antioxidants, saponins, fiber, vitamins, and minerals.
Origin: United States of America
Yucca Root (Yucca schidigera)
Horsetail Herb (Equisetum arvense)
A plant rich in silica, an essential mineral for collagen formation and the structural integrity of joints, ligaments, and bones. Horsetail supports tissue regeneration and strengthens connective tissues.
Horsetail Herb (Equisetum arvense)
Horsetail Herb (Equisetum arvense)
Nutrients: Silica, flavonoids, potassium, calcium, and other antioxidants.
Origin: Bulgaria
Horsetail Herb (Equisetum arvense)
Licorice Root (Glycyrrhiza glabra)
A soothing herb known for supporting adrenal balance, immune function, and healthy inflammation pathways. Licorice helps maintain a healthy response to stress and inflammation in joints and throughout the body.
Licorice Root (Glycyrrhiza glabra)
Licorice Root (Glycyrrhiza glabra)
Nutrients: Glycyrrhizin, antioxidants, flavonoids, phytosterols, tannins, vitamins, and minerals.
Origin: Uzbekistan
Licorice Root (Glycyrrhiza glabra)
Astaxanthin (Haematococcus pluvialis)
A potent antioxidant derived from microalgae, astaxanthin supports cellular integrity by neutralizing free radicals that contribute to joint degradation. These antioxidant benefits extend beyond the joints, circulating throughout the body to neutralize these damaging molecules.
Astaxanthin (Haematococcus pluvialis)
Astaxanthin (Haematococcus pluvialis)
Nutrients: Astaxanthin
Origin: United States of America
Astaxanthin (Haematococcus pluvialis)

Frequently Asked Questions

Sea-Flex is great for senior pets, active pets, large breeds prone to joint issues, or pets recovering from orthopedic procedures. It’s also a smart preventive for pets with a history of joint stiffness or discomfort.

Yes, Sea-Flex is safe to use alongside most medications and supplements. As always, consult your vet if your pet is on long-term prescriptions.

Some pets show improvement within 1–2 weeks, while others may need 4–6 weeks of consistent use for full effects.

Yes, Sea-Flex is formulated for both species and is dosed according to weight. It’s well-tolerated and easy to administer.

These testimonials are for informational purposes only. The information is not a substitute for expert veterinary care. Testimonials are written by actual customers and represent their own observations. These observations are not guaranteed, are not medically substantiated, and may not be typical for other pets.
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ALL-NATURAL TONICS | POWDERS | CAPSULES | CHEWS

ROOTED IN NATURE.
DRIVEN BY PURPOSE.
TRUSTED FOR DECADES.

For decades, Animal Essentials has been committed to enhancing your pet's health with all-natural, ethically crafted supplements—that work.
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RETURN TO NATURE
Crafted by expert herbalists, Animal Essentials brings the healing power of nature back to your pet's daily routine with pure, plant-based supplements that support whole-body wellness.
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For over 30 years, Animal Essentials has earned the trust of veterinarians and pet parents alike for producing effective natural supplements—and we honor that trust in every bottle we make.
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To uphold our standards we conduct third-party testing on all our products for potency, purity, and consistency, ensuring the quality and effectiveness of every batch.
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MADE IN USA WITH GLOBALLY SOURCED INGREDIENTS
Formulated, extracted and bottled in house ensuring integrity and care in every step.
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PREMIUM INGREDIENTS
Our process begins with the finest natural human-grade ingredients, sourced transparently from ethical suppliers who meet our rigorous standards for purity, potency, and sustainability.
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NO DYES, PRESERVATIVES, OR ARTIFICIAL FLAVORING
We skip the dyes, preservatives, and artificial flavoring because nature's purity is powerful, and we're bringing nature to your pet in its truest form.