Is Your Fish Oil Actually Safe? What Most Owners Miss

Is Your Fish Oil Actually Safe? What Most Owners Miss

 


Struggling with dry skin, stiffness, or an aging dog? Not all fish oils are created equal — and what you choose can make a bigger difference than you think.
If your dog is scratching more than usual, slowing down, or just not quite themselves, it’s often a sign something deeper needs support.

One of the most overlooked factors is the quality of the oil you’re using — and how it’s processed.

Not all fish oils are the same, and understanding what makes one safe (and effective) can completely change the results you see.

What Makes a Fish Oil Safe — Without Stripping Its Natural Benefits

When choosing a fish oil for pets, safety is often the first concern. Words like mercury, contaminants, and toxins can quickly make the decision feel overwhelming.

But safety doesn’t come from how much an oil is processed — it comes from how it’s sourced and verified.

Fish oil safety doesn’t come from how much an oil is processed — it comes from species selection, responsible sourcing, and batch testing.

Not All Fish Oils Start the Same

Fish oils vary widely depending on:

  • the species of fish used
  • where it’s sourced
  • and how quality is confirmed

Some fish species are naturally higher risk for heavy metal accumulation and require more intervention. Others, when responsibly sourced, consistently test within safe limits.

That’s why species choice matters.

Why Testing Matters More Than Processing

Rather than relying on heavy processing to “fix” an oil later, a more responsible approach is to:

  • start with a lower-risk species
  • source from regulated fisheries
  • confirm safety through batch testing

When an oil tests clean, aggressive processing isn’t necessary — and may actually compromise the nutrients pet owners are trying to support.

When Processing Goes Too Far

Fish oil contains delicate omega-3 fatty acids that are sensitive to heat and chemical treatment. Over-processing can:

  • alter EPA and DHA structure
  • reduce natural co-factors
  • prioritise shelf appearance over biological function

An oil can look pristine while offering less nutritional value.

A Simpler, Smarter Philosophy

At Newflands, our approach is straightforward:

  • choose a responsibly sourced fish species
  • test every batch
  • avoid unnecessary processing

This allows the oil’s natural structure to remain intact — delivering omega-3s in a form the body recognises and can use.

Clean doesn’t have to mean stripped.

Choosing Fish Oil With Confidence

Instead of asking how much an oil has been processed, consider asking:

  • Is the species low risk?
  • Is the sourcing transparent?
  • Is it batch tested?

When those answers are clear, fish oil safety becomes reassuring — not complicated.

This is why we choose New Zealand Hoki oil — a responsibly sourced, low-risk species that is batch tested to confirm safety without unnecessary processing.

---

### Want to keep things simple?

If you're looking for a clean, high-quality option, you can explore our New Zealand Hoki Oil here:

👉 https://newflands.com/products/hoki-oil-1l

Not sure if oil alone is enough? Read this next:
👉 Is Hoki OIl Enough?

Noticing subtle changes in your pet’s energy or mobility?

👉 Read: https://newflands.com/blogs/news/why-your-pets-health-might-be-changing

Seeing your dog slow down earlier than expected?

👉 Read: https://newflands.com/blogs/news/the-hidden-reason-some-dogs-slow-down-earlier

Not all fish oils deliver the same level of support.

👉 Read: https://newflands.com/blogs/news/not-all-fish-oils-are-the-same

Back to blog
Fiona Robertson

About the Author: Fiona Robertson

Fiona Robertson is a trained veterinary nurse, qualified teacher, Newfoundland dog breeder, and founder of Newflands Pet Wellness. With a lifelong connection to animals and professional veterinary experience, Fiona pioneered New Zealand’s first Hoki Oil pet supplement in 2010 after her beloved Newfoundland, Rosie, was diagnosed with heart disease. Unable to find a natural, traceable, and sustainable fish oil locally, she used her veterinary nursing background to formulate a premium supplement using MSC-certified sustainable New Zealand Hoki. This commitment to innovation later expanded into pioneering hoki-based gravy and functional topper solutions for dogs, designed to support palatability, hydration, and daily wellness. Today, Fiona is exporting New Zealand’s finest pet wellness products to pet owners around the world, continuing to research and develop therapeutic‑grade supplements, treats, and care products that deliver measurable results for pet health worldwide.