Zaka Journal

Research-Informed Formulations, Simplified.

Research-informed insights on supplementation, health optimisation, and the knowledge behind what you put in your body.

Hormone Balance Supplements: What Works and What to Avoid

No supplement "balances" hormones on its own. Here is what the research says about magnesium, Vitamin B6, zinc, omega-3s, chasteberry and evening primrose — and how to tell a real support from a marketing claim.

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Sleep & Energy·8 min read

Magnesium Glycinate: Benefits, Uses and What the Science Actually Says

Magnesium glycinate is one of the most absorbable, gentlest forms of magnesium. Here is what the science says about its benefits for sleep, stress, muscles and nerves — and when it is worth choosing over other forms.

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Beauty·8 min read

Collagen Powder in South Africa: What to Know Before You Buy

Not all collagen powder is the same. Here is what the research says about types I and III, hydrolysed peptides, dosing, and what to look for when buying collagen in South Africa.

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Beauty·8 min read

Hair Growth Vitamins: What Actually Works (and What Is Just Marketing)

Biotin is everywhere — but it only helps if you are actually low. Here is which nutrients genuinely support hair growth, how long it takes, and why a foundation-first approach beats chasing a single "hair vitamin".

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Men's Health·8 min read

Men's Supplements After 40: What Actually Changes in Your Body and What Really Matters

After 40, men lose roughly 1% of their testosterone per year, muscle mass declines, and cardiovascular risk rises. The right nutrients can support what is changing — but most multivitamins are not built for this stage of life.

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Ingredient Guide·6 min read

Vitamin C: The Everyday Nutrient Behind Collagen, Immunity and Antioxidant Support

From collagen formation and antioxidant protection to immune function and iron absorption, Vitamin C is a small nutrient with a remarkably broad role in everyday health.

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Ingredient Guide·6 min read

Magnesium Bisglycinate: What It Does for Nerves, Muscles and Better Rest

Magnesium supports hundreds of reactions across the body, including normal nerve and muscle function. The useful question is not only whether it is present, but in what form and elemental dose.

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Ingredient Guide·7 min read

Ashwagandha KSM-66: Stress Support, Sleep Research and What to Know Before Taking It

Some ashwagandha preparations may support stress and sleep, but it is not suitable for everyone. Learn what KSM-66 means and where this adaptogen fits in the Zaka range.

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Ingredient Guide·7 min read

Omega-3 EPA and DHA: How These Essential Fats Support the Heart, Brain and Eyes

DHA is concentrated in the brain and retina, while EPA and DHA both contribute to cell membranes and cardiovascular pathways. Here is how to read an omega-3 label properly.

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Education·7 min read

What the Health Industry Is Not Telling You About Vitamins

Here's something the supplement industry doesn't want you to know: most people taking vitamins every day are getting almost no benefit from them. Not because supplements don't work — but because the way most people take them is fundamentally wrong.

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Education·6 min read

Are Your Supplements Actually Working — Or Just Expensive Urine?

The global supplement industry is worth over $150 billion. Yet most people who take vitamins daily have no idea whether they're actually doing anything. Sound familiar?

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Lifestyle·6 min read

Why Your Vitamins Aren't Keeping Up With Your Life

You work long hours, sleep too little, train hard, and navigate relentless stress. The multivitamin you've been taking since 2018 was designed for a very different life.

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Sleep·6 min read

Why 9 Hours of Sleep Left Me Wrecked — And What Actually Changed

I was getting nine hours of sleep and waking up wrecked every single morning. Groggy, low energy, poor focus. It didn't make sense — until I understood that sleep quality is downstream of what you put in.

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Women's Health·7 min read

What Nobody Tells Women About Supplements (And Why Your Skin Is Paying the Price)

After 25, your body starts losing collagen at roughly 1.5% per year. By 40, you've lost nearly a quarter of it. Most women don't find out until they're already seeing the signs in the mirror.

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Education·6 min read

Stop Building a Shelf of Supplements. Build a Routine That Makes Sense.

You don't need more supplements. You need a smarter sequence. The difference between a shelf of half-finished bottles and a routine that actually works comes down to one principle: foundation first, then stack.

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Education·6 min read

Before You Buy Another Supplement, Read This

The average South African spends over R3,000 a year on supplements that do almost nothing. Not because supplements don't work — but because the industry is built to take your money, not to change your health.

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Wellness·8 min read

What 40 People Taught Us About Wellness in 3 Months

We invited 40 people — including Veronique Meyer, Tee Abbott, Tilly Fish, and Elizabeth Kodisane — to stop chasing quick fixes and start supporting their body consistently. Three months later, here's what they actually experienced.

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