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Product Reviews

Here's what over 11,482 happy customers in Australia and New Zealand have said about their experience with OptimOZ.com.au
OptimOZ Shopper Satisfaction Guarantee


To take away any risk and doubt you may feel about a purchase, If you don't see the results you expect,  contact us within 90 days of purchase and we'll issue a refund. Just send back any remaining unopened bottles using our Free Returns service.
Disclaimer: There is no guarantee of specific results and individual results can vary.
Based on 11390 reviews
PerfectAmino Pure Essential Amino Acids

Great product that's easy and convenient to take. Certainly will continue buying and recommending to friends and family!

Top quality product is a daily must for me

Love and highly recommend this product as it's an amazing quality collagen. It hydrolysed, easily dissolves in hot or cold liquid, can't taste it so can blend in pretty much anything, and provides all the great benefits of hydrolysed collagen.

Primal C8 MCT Oil 1L
Jo (Brisbane, AU)
Beautiful clean product

Light, clear and flavourless product that is perfect to put in our morning coffee. Don’t even know it’s in there!

KetoneAid KE1 Ketone Ester & Salt Blend
Brendan Gonano (Sydney, AU)

KetoneAid KE1 Ketone Ester & Salt Blend

The Original Bulletproof Coffee Beans - 340g
s russell, naturopath and medical herbalist. (Brisbane, AU)
delicious coffee

I love that this coffee is mold free and I can enjoy it without getting ill.

BodyHealth Reds
Patrick Larkins (Perth, AU)

Reds, Greens, perfect Amino and complete multi.... Bodyhealth has legit changed my life.. do yourself a favour and at a minimum order the complete multi and reap the rewards.

From Sick to Superhuman ebook
Customer (Sydney, AU)
The best coffee

We now love making our coffees at home rather than getting them out at coffee shops !!! We know we’re getting the best quality coffee plus it way better !

Bulletproof Vitamins A-D-K - 30 softgels
Haroula Provatas (Sydney, AU)
Great start to the day.

I’ve purchased the ADK soft gels and also the brain octane oil and I can see the difference already. More alert during the day and sleep better at night. My partner has also been taking the vitamins (not the oil) and he is very impressed. Already ordered next batch.

So far, so good!

A fish-free DHA, what's not to love?
Great to have this option!

Great service great product

Quick and efficient
Great company

Multi Complete
shane howes (Melbourne, AU)
Love this stuff

2 weeks in and I can already start to feel the difference with all the extra vitamins and minerals. Definitely worth it

Bulletproof Vitamins A+D+K Gummies
Michael Webber (Adelaide, AU)
Delicious and nutritious

They taste great. A good way to get the vitamins in, with a different experience. (Instead of just swallowing tablets)

As expected

First purchase of perfect aminos on the advice from Gary Brecka. The perfect amino is just that, Perfect! Amazing energy and I just want to keep the gym session going and with a great recovery. Very happy with this product.

BIOptimizers P3-OM
Steph (Sydney, AU)
Game Changer

After using for just 5 days, my digestion / elimination pathways have improved SIGNIFICANTLY!! Highly recommend for anyone who is suffering from gut issues / stress /recovering from antibiotics

The best sleeps I've ever had

I have never had such solid sleep in my adult years as a mother, than when I have taken the Magnesium Breakthrough. Unreal stuff.

Methyl B12

Love this stuff

BIOptimizers Magnesium Breakthrough - 60 capsules
cliona oshaughnessy (Sydney, AU)

BIOptimizers Magnesium Breakthrough - 60 capsules

So glad I can get this here in Australia! JustBlue is fantastic.

Qualia Synbiotic
Stefano Galioto (Sydney, AU)
Great product best probiotic u

Great product best probiotic out there

BIOptimizers Magnesium Breakthrough - 60 capsules
Sandra Mckee (Deebing Heights, AU)
Tastes Great

Easy ordering, fast delivery and it tastes great.

Bioptimizers Sleep Breakthrough
Arterium (Brisbane, AU)

Helps me sleep like a baby.

Bioptimizers magnesium breakthrough

I like this product very much and feel it’s helpful for my health.

Happy bum!!

I had an upset belly. Took this and it helped massively. Great quality. Pouches make it easy to take.


I just like the idea of a drink as I think it’s absorbed easier. I’m a person who seems to need a lot of Mg. I get restless legs and feet cramps if I don’t take it. Tastes great!

Best Oral Magnesium Out There!

In addition to topical magnesium (I find magnesium chloride the most helpful form there, for baths and foot soaks), in my experience this supplement is far and away the best on the market to take internally. So grateful to be able to get it here, and so quickly! And it is always a pleasure to order from OptimOz. 🙏🏽