Fresh water pouring into a glass to illustrate optimal hydration and energy support.

Water is the most essential nutrient for energy, detoxification, digestion and nervous system regulation. In fact, alongside oxygen, nothing influences your day-to-day vitality more. Because the human body is roughly 60% water, the quality of the water you drink matters just as much as the quantity.

👉 If you struggle with fatigue or low energy, make sure you’ve downloaded my free guide 5 Simple Changes to Boost Energy & Overcome Fatigue:

Proper hydration is one of the fastest and most effective ways to improve energy, mood, digestion and your overall healing capacity - especially if you choose the best bottled water for your health. As a result, understanding water quality is crucial.

Why Water Quality Matters

Not all water hydrates the same. Water naturally contains dissolved minerals (electrolytes) and trace elements that support hundreds of biochemical processes. However, when water is over-processed, chemically treated, softened, or stripped of minerals, it loses many of its healing qualities, leaving water ‘empty and far less hydrating.

From years of clinical experience working with exhausted, stressed and chronically depleted clients, I consistently see that hydration quality dramatically impacts:

  • energy production
  • adrenal and thyroid function
  • mental clarity
  • bowel regularity
  • sleep
  • detoxification pathways
  • mineral balance (critical especially for HTMA clients)
Illustration of a water drop with the reasons to drink more water, including more energy and better mood.

👉Additionally, if you want to learn more about mineral balance, explore HTMA testing here.

How Much Water Do You Need Daily?

Most adults need 2.5-3 litres per day - non-negotiable for optimal health.
(If you have kidney disease, please seek personalised medical advice.)

You’ll need even more water if you:
• breastfeed
• exercise intensely
• live in hot/dry climates

However, if you are drinking 3 litres and still feel thirsty, the type of water you’re consuming is likely not hydrating your cells effectively.  Often this is a mineral or water-quality issue.

What Dehydrates the Body

Excessive sweating from exercise or fevers; certain medications; vomiting and diarrhoea; and some conditions such as diabetes can all dehydrate you.

Also, importantly, anything containing caffeine or sugar dehydrates you- including:

  • coffee and tea
  • fruit, fruit juice
  • coconut water
  • nut milks
  • coconut milk/cream
  • honey, agave, syrups
  • alcohol

Instead, herbal teas without caffeine are wonderful and count towards your 3 litres.

How Dehydration Impacts the Body & Brain

Physical Effects

Even mild dehydration raises stress hormones, slows metabolism, increases acidity and reduces physical stamina. Consequently, you may feel heavier, slower, or unmotivated - all classic signs I see in burnout and fatigued clients.

Mental Effects

Additionally. dehydration also impacts brain function. Even a 1–2% drop in hydration can trigger:

  • brain fog
  • irritability or anxiety
  • poor focus
  • headaches
  • memory lapses

When your brain is under-hydrated, almost immediately everything feels harder.

For anyone struggling with low energy and brain fog, dehydration is a silent amplifier - it intensifies fatigue and makes recovery much slower.

THE BEST WATER FOR HEALTH (RANKED by Hydration Quality)

1. Spring Water – The Best Bottled Water for Health, Energy & Mineral Balance

If you want the best bottled water, choose high-quality spring water.

Why it’s the best:

  • naturally mineral-rich
  • naturally filtered (not processed)
  • hydrating at a cellular level
  • supports adrenal and thyroid function
  • improves mineral ratios on HTMA
  • AND importantly it consistently boosts client energy by 10–30% in 2–4 weeks
Sari drinking the best bottled spring water from Daylesford to maintain optimal health.

Spring water is my strong clinical preference, and what I use personally.

Local Victorian springs such as Daylesford, Hepburn, Kyneton and Vaughan Springs offer excellent mineral profiles and are accessible from Melbourne. Additionally, many of my clients and myself, enjoy a day trip to these areas, not only enjoying the spring and mineral waters, but also to rejuvenate in this gorgeous spa country.

Rotating different spring sources gives a broader spectrum of naturally occurring minerals — therefore, I recommend alternating brands or collecting from local springs if possible.

👉 Want better mineral balance? Improve your energy and stress resilience by working 1:1 with Sari. Start with your complimentary 15minute Chat With Sari consult to get started today-

2. Carbon-Filtered Tap Water

Second-best option.

  • retains beneficial minerals
  • removes chlorine
  • hydrates well

Important:
However, avoid reverse osmosis filters, multi-stage filters, water softeners or fluoride-removal systems for drinking. They strip minerals and weaken hydration.

Instead, choose carbon-only filters.

3. Waters to Avoid

Unlike spring water and carbon-filtered water, the following waters may look “healthy,” but despite this, clinically they hydrate poorly and often worsen mineral imbalance leading to fatigue and other symptoms:

Reverse Osmosis (RO)

In direct contrast to spring water, RO water is extremely low in minerals. Even when minerals are “added back,” the ratios are unnatural and often disrupt your body’s biochemistry. Over time, this can lead to fatigue and symptoms over time.

Distilled Water

Useful short-term for detox only. However, long-term use can leach minerals.

Alkaline / Ionised Water

Another popular but misleading option. Alkaline water is highly processed and often containing added minerals in unnatural forms.

Well Water

Often contaminated with metals.

Designer or Enhanced Waters

Similarly, added minerals rarely mimic nature - and in many cases, they disrupt sodium, potassium, magnesium and calcium balance, impairing cellular function, seriously impeding your body’s ability to function optimally.

How to Easily Drink 2.5–3 Litres/Day

• Fill three 1L bottles in the morning; or grab your 1L bottles of purchase Spring bottled water.
• Drink 1 litre on rising (excellent for bowel motility)
• Drink the remaining litres mid-morning and mid-afternoon
• Drink 30 minutes before meals, or 1–2 hours after
• Avoid constant sipping — drink in meaningful amounts
• Avoid drinking after 6pm

You will need to build up to drinking one full litre at a time- therefore start with drinking 500ml increments. This is the most convenient option:

  • 500ml upon waking
  • 500ml early morning
  • 500ml late morning
  • 500ml early afternoon
  • 500ml late afternoon

Ultimately, the key is increasing your overall intake consistently and choosing the best bottled water possible.

How Water Affects Fatigue

Proper hydration influences:

  • adrenal hormones
  • sodium/potassium ratios (visible on HTMA), and linked to every cells functioning and your fatigue and your ability to cope with stress.
  • detox pathways
  • mitochondrial energy production
  • nervous system regulation

Case example

A 42-year-old client with severe fatigue, constipation and afternoon crashes switched from RO water to quality spring water and reached 3L/day. At the same time, he supplemented his required minerals based on his Hair Tissue Mineral Analysis results. The results after 3 weeks:

  • energy improved ~25%
  • bowel movements normalised
  • headaches reduced
  • sleep deepened

Overall, this is a typical first-stage result in clients who work with me 1:1.

Sari collecting fresh mineral water from Hepburn springs.

FAQ 

1. What is the best bottled water for health?

High-quality spring water - naturally mineralised, hydrating and low in contaminants.

2. Is reverse osmosis water good for you?

No. Because it is too demineralised and does not hydrate well, even if the minerals have been added back in.

3. Is alkaline water better than spring water?

No. It is too processed, often contains added minerals, and can imbalance body chemistry and therefore results in your not feeling your best.

4. Are designed waters better than spring water?

No. It is overly processed and disrupts mineral balance.

5. Do caffeine-free herbal teas count as water?

Yes.

6. How much water should an adult drink daily?

Approximately 2.5-3 litres.

Download: Your Hydration Checklist

Inside my free guide 5 Simple Changes to Boost Energy & Overcome Fatigue, you’ll get:

✔ Hydration Checklist
✔ How to reach 3 litres/day with ease
✔ Four additional fatigue-reducing strategies
✔ Science-backed tips to improve energy, sleep and focus

👉Receive your free copy here.

Want personalised guidance?

If you're experiencing fatigue, low energy, stress or mineral imbalance, then book a free 15-minute Fatigue Assessment Chat With Sari (me). We’ll talk through your symptoms, goals and next steps so you can feel like yourself again.

>