How Much Fluoride is in Tap Water? Your Questions Answered

Table of Contents

What is fluoride? Is it naturally found in water and food sources?

Fluoride is a negatively charged ion of the element fluorine. As a naturally occurring element it is found in mineral salts contained in soil, rocks, plants, animals and natural water sources. However, the amount of fluoride found in naturally derived water is largely dependent on the composition of rock formations through which it drains. Rain water contains virtually no fluoride. Higher amounts of fluoride are naturally found in tea leaves, as well as cereals, grains, apples, almonds, milk and chocolate.

What are the proven health benefits of fluoride?

Consistent and reliable evidence shows that water fluoridation reduces tooth decay by 26 - 44% in children and adolescents and by around 27% in adults. The health consequences of dental decay are extensive and can lead to dental infection and pain, mouth abscesses, sepsis, poor diet, nutritional deficiencies, low self-esteem, reduced quality of life, and is associated with poorer general health outcomes including diabetes and cardiovascular disease.

How much fluoride is found in Australian tap water?

Australian health authorities recommend fluoridating tap water with fluoride at concentrations of 0.6 - 1.1 milligrams per litre.

What is the tolerable upper limit of fluoride recommended to prevent adverse health effects?

The tolerable upper level of fluoride intake in Australia is 10mg per day. To exceed this level from tap water consumption one would have to consume more than 10 litres of water per day.

Does fluoride affect the taste of tap water?

Fluoride has no taste or smell and does not affect the taste of water.

For further information:

https://www.nhmrc.gov.au/about-us/publications/2017-public-statement-water-fluoridation-and-human-health

What It Actually Does

Ashwagandha is classified as an adaptogen - a substance that helps the body adapt to physical and psychological stress. But that description undersells the specificity of the evidence.

In peer-reviewed clinical trials, ashwagandha root extract has been shown to:

01

Reduce serum cortisol levels significantly in adults under chronic stress

02

Support testosterone levels and muscle recovery in resistance-trained adults

03

Improve subjective measures of stress, anxiety, and wellbeing

04

Improve subjective measures of stress, anxiety, and wellbeing

05

Improve sleep quality and reduce time to sleep onset

Why The Form Matters

Here is where most supplement labels become misleading.
The clinical trials that produced the evidence above didn't use generic ashwagandha root powder. They used standardised, patented extracts - specifically KSM-66® and Sensoril®, both of which are produced from roots using proprietary extraction methods that concentrate the active withanolides to a consistent, clinically meaningful level.
Generic ashwagandha powder can contain anywhere from 1% to 8% withanolides. KSM-66® is standardised to a minimum of 5% withanolides with a full-spectrum root extract, which means it retains the natural balance of the plant's compounds rather than isolating one component.
When you buy a supplement that says "ashwagandha" without specifying the extract form, you have no way of knowing whether it contains enough active compounds to do anything at all.
At Arise, we use KSM-66® in every formula that contains ashwagandha. It's more expensive. It's worth it.

Third-party Testing

Supplements are not regulated the same way pharmaceuticals are. In most markets, a supplement company can put almost anything in a capsule and make almost any claim about it, as long as they don't claim to treat a specific disease.
This is why third-party testing matters. It means an independent laboratory - one with no financial relationship to the supplement company - has tested the product to verify that:

The ingredients listed are actually present
They're present at the stated concentrations
The product doesn't contain contaminants, heavy metals, or undisclosed substances

Look for: NSF Certified for Sport, Informed Sport, or USP Verified certification on any supplement you take. These are the most rigorous third-party standards available.
Every Arise formula is third-party tested before it reaches you. The results are available on request.

The Honest Bottom Line

Ashwagandha works. The evidence is genuinely strong. But the quality of the extract determines the quality of the outcome — and most of what's available on the market doesn't use the forms that the clinical research actually studied.
Read the label. Ask for the extract form. Expect a specific answer.