Clekina Journal

Long-form essays on ingredients, science, origins, rituals and community.

• Beyond Biotin: The Nutrients That Actually Support Healthy Hair, Biotin gets all the attention, but healthy hair depends on much more than one vitamin. Discover the nutrients that support stronger, healthier hair and what science really says. (Science, Olivia Clekina)
• How Clekina Evaluates Ingredients and Suppliers, Before an ingredient ever reaches a finished product, there are questions worth asking. Where does it come from? What is it? How is its quality understood? This is why thoughtful ingredient and supplier decisions matter. (Community, Olivia Clekina)
• Magnesium and Muscle Function: What the Research Really Shows, Magnesium has an important role in normal muscle function, but that does not automatically mean more magnesium means stronger muscles. Here is what the human research actually tells us. (Science, Olivia Clekina)
• Magnesium and Energy: What It Actually Does, Magnesium is involved in the processes that allow our cells to produce and use energy. But does taking more magnesium actually make you feel more energetic? The science is more nuanced. (Science, Olivia Clekina)
• Magnesium Absorption: What Affects How Much Your Body Uses?, Eating a food or taking a supplement containing magnesium is only the beginning. The body still has to absorb and use it. Here is what influences that process. (Science, Olivia Clekina)
• Magnesium and Heart Health: What the Research Really Shows, Magnesium is involved in normal muscle, nerve and cardiovascular function. Research has also explored its relationship with blood pressure and heart rhythm. Here is what we actually know. (Science, Olivia Clekina)
• Magnesium From Food: Why the Whole Diet Matters, Magnesium is found throughout the food we eat, often alongside fibre, protein and other nutrients. But what makes dietary magnesium different from magnesium in a supplement? (Science, Olivia Clekina)
• A Mountain Plant and the Meaning of Resilience, Rhodiola rosea has a long history of traditional use and is often described as an adaptogen. But what does that term actually mean, and what has human research found? (Science, Olivia Clekina)
• The Meaning Behind the Adaptogen, Adaptogens are often associated with stress and resilience, but the term is more complicated than wellness marketing suggests. Here is what it actually means. (Science, Olivia Clekina)
• When Energy Runs Low, Rhodiola rosea has been studied for physical and mental fatigue, with some promising results. But the research remains more complicated than a simple energy claim. (Science, Olivia Clekina)
• Can a Mountain Plant Help the Mind Under Pressure?, Rhodiola rosea has been studied for mental fatigue and performance under stress. Some findings are promising, but the evidence is far from a guarantee. (Science, Olivia Clekina)
• Finding Calm Without Promising Too Much, Rhodiola rosea is often described as an adaptogen for stress. But what does that really mean, and what has human research actually established? (Science, Olivia Clekina)
• A Mountain Plant and the Limits of Endurance, Rhodiola rosea has been studied for exercise performance and physical fatigue. Some findings are promising, but the evidence does not support simple performance claims. (Science, Olivia Clekina)
• Recovery Cannot Be Rushed, Rhodiola rosea is often discussed alongside energy and recovery. Here is what human research actually tells us, and where the evidence remains uncertain. (Science, Olivia Clekina)
• Looking Beyond the Label, Rhodiola rosea is surrounded by interesting research and ambitious claims. Here are the practical questions worth asking before believing the label. (Science, Olivia Clekina)
• Astaxanthin and Skin: What the Science Really Says, Astaxanthin is a red carotenoid derived naturally from microalgae such as Haematococcus pluvialis. But what does human research actually tell us about astaxanthin and skin? We explore the biology, the evidence and the limitations. (Science, Olivia Clekina)
• From Microalgae to Skin: The Story of Astaxanthin, Astaxanthin begins with tiny microalgae and can travel through aquatic food chains before becoming the subject of human skin research. Here's what the science really tells us. (Origins, Olivia Clekina)
• Astaxanthin, Antioxidants and Oxidative Stress: Understanding the Science, Astaxanthin is known for its antioxidant activity, but what does that actually mean for humans? We look at oxidative stress, biomarkers, skin research and where the evidence remains uncertain. (Science, Olivia Clekina)
• What Happens to Astaxanthin in the Body? Understanding Absorption and Bioavailability, Before an ingredient can have an effect, it has to be absorbed. Explore what researchers know about astaxanthin absorption, bioavailability and its journey through the body. (Science, Olivia Clekina)
• Astaxanthin and Skin Appearance: What Have Human Studies Actually Measured?, What does "better skin" actually mean in scientific research? We look at astaxanthin studies measuring moisture, elasticity, wrinkles and other skin outcomes. (Science, Olivia Clekina)
• Astaxanthin and the Carotenoid Family: What Makes It Different?, Astaxanthin belongs to the carotenoid family, alongside beta-carotene, lycopene and lutein. But these compounds are not interchangeable. Here is what makes astaxanthin different and what human research actually tells us about its relationship with skin. (Science, Olivia Clekina)
• How Strong Is the Evidence for Astaxanthin and Skin?, A closer look at the human studies behind the claims, including what they show, what they do not show, and why study quality matters (Science, Olivia Clekina)
• Whole Food Vitamin C vs Synthetic Vitamin C: Does the Source Really Matter?, Is vitamin C from acerola cherries better than synthetic ascorbic acid? Discover what research says about absorption, antioxidants and whether the source really matters. (Science, Olivia Clekina)
• Magnesium Is More Than a Sleep Mineral. Here Is What It Actually Does, Magnesium is often called the sleep mineral, but it does much more than that. Learn how magnesium supports your muscles, nerves, energy production and overall wellbeing. (Science, Olivia Clekina)
• Astaxanthin and the Skin Barrier: What Does the Research Actually Measure?, Skin moisture, transepidermal water loss and elasticity are not the same thing. Here is what researchers have actually been investigating. (Science, Olivia Clekina)
• Astaxanthin and Healthy Ageing: What Do We Actually Know?, A look beyond skin claims at the wider human research, the potential, and the important gaps that remain (Science, Olivia Clekina)
• Reishi Mushroom: Ancient Remedy or Modern Wellness Trend?, Reishi has been used for thousands of years, but what does modern research say? Discover the potential benefits of reishi for immunity, stress and sleep, along with what scientists still do not know. (Ingredients, Olivia Clekina)
• What Does Bioavailability Actually Mean?, More absorbed does not automatically mean more effective. (Science, Olivia Clekina)
• Turmeric in Everyday Life, From kitchen spice to research subject: tradition and evidence, kept gently apart. (Ingredients, Olivia Clekina)
• Curcumin and Joint Health, What the human research on curcumin and joints actually tells us, and what it does not. (Science, Olivia Clekina)
• Why Form Matters, Turmeric powder, extract and curcumin are not the same thing, and the body treats them differently. (Science, Olivia Clekina)
• Turmeric, Tradition and Modern Science, A golden ingredient with a long history, and what modern research adds to it. (Ingredients, Olivia Clekina)
• How to Read Turmeric Research, Not every study tells the same story. A short guide to reading curcumin research well. (Science, Olivia Clekina)
• Turmeric and the Language of Evidence, What words like promising, supports and studies show really mean. (Science, Olivia Clekina)
• Omega-3 for Skin: Acne, Dryness and Eczema, Can omega-3 help acne, dry skin or eczema? Explore the evidence, food sources, fish versus algae oil and supplement safety. (Science, Clekina Editorial Team)
• Vitamin C for Skin: Benefits, Use and Safety, Learn how topical vitamin C may help dark spots and photoageing, how to use it with sunscreen and what sensitive skin should know. (Science, Clekina Editorial Team)
• Probiotics for Skin: Acne, Eczema and the Gut-Skin Axis, Explore probiotics for acne, eczema and skin hydration, why strain specificity matters and what the gut-skin axis research really shows. (Science, Clekina Editorial Team)
• Turmeric, Curcumin and What We Still Don't Know, The science is interesting. The story is still developing. (Science, Olivia Clekina)
• Turmeric, Curcumin and Bioavailability, Turmeric has a long history of traditional use, while curcumin has become the focus of modern research. But how much the body absorbs can vary between formulations. (Science, Olivia Clekina)
• Ending the Day a Little More Gently, A peaceful evening rarely happens by accident. Discover how consistent bedtime habits and magnesium fit into current research on rest and recovery. (Rituals, Olivia Clekina)
• Joint Supplements in 2025: What Actually Works for Healthy Joints?, Joint supplements are everywhere, but which ingredients actually have scientific support? Discover what research says about collagen, glucosamine, Boswellia and other popular joint supplements. (Science, Olivia Clekina)
• The History of Adaptogens: From Soviet Scientists to Your Morning Routine, Adaptogens are everywhere today, but their story began long before social media. Discover how ancient herbal traditions, Soviet research and modern science shaped the adaptogens we know today. (Origins, Olivia Clekina)
• Hyaluronic Acid for Skin Hydration: Benefits and Uses, Learn what hyaluronic acid does for skin hydration, how to use it, whether molecular weight matters and why moisturiser still matters. (Science, Clekina Editorial Team)
• Magnesium for Sleep: Benefits, Timing and Safety, Does magnesium help sleep? Review the evidence, common forms, timing, food sources, side effects and when to seek medical advice. (Science, Clekina Editorial Team)
• Zinc for Skin and Acne: Benefits, Evidence and Safety, Explore zinc benefits for skin, acne, wound healing and hair, plus food sources, supplement risks and what the research can actually support. (Science, Clekina Editorial Team)
• Reishi Mushroom for Stress: Benefits, Evidence and Safety, Can reishi help stress, fatigue or sleep? Read what human research shows, how products differ and which safety concerns matter. (Science, Clekina Editorial Team)
• Collagen Supplements for Skin: Do They Really Work?, Do collagen supplements improve skin? Review the evidence on hydration, elasticity and wrinkles, including study quality and industry funding. (Science, Clekina Editorial Team)
• Biotin for Hair Growth: Does It Really Work?, Does biotin help hair growth? Learn when it may help, why deficiency matters, common food sources and how high doses can affect blood tests. (Science, Clekina Editorial Team)
• Ceramides for Skin Barrier Repair: Benefits and Use, Learn how ceramides support the skin barrier, dryness and sensitive skin, how to use them and why the full moisturiser formula matters. (Science, Clekina Editorial Team)
• From Sea to Supplement: Understanding the Story Behind Marine Collagen, Marine collagen has become one of the most talked about forms of collagen supplementation. Learn where it comes from, how it is produced, what current research suggests, and what remains uncertain. (Origins, Olivia Clekina)
• Every Ingredient Has a Story. Marine Collagen Is No Different., The story behind an ingredient often tells us more than the marketing on the front of the label. Learn why marine collagen origin matters and how to make informed choices. (Origins, Olivia Clekina)
• Different Origins, Shared Purpose, Marine collagen isn't the only type of collagen supplement available. Here's how it compares with other common sources. (Origins, Olivia Clekina)
• The Science Behind Every Scoop, Ever wondered how marine collagen becomes the fine powder found in supplements? Here's a research-informed explanation. (Origins, Olivia Clekina)
• Why the Sea Became a Source of Collagen, Marine collagen is almost always sourced from fish, but why? Discover where fish collagen comes from, how it is produced and why understanding its origin matters. (Origins, Olivia Clekina)
• Looking Beyond the Green Claims, Marine collagen is often described as sustainable, but is that always true? Learn what current evidence says, why sourcing matters and how to evaluate sustainability claims with confidence. (Origins, Olivia Clekina)
• Breaking Collagen Down to Better Understand It, Hydrolysed marine collagen peptides are widely used in collagen supplements, but what does "hydrolysed" actually mean? Discover the science behind the ingredient. (Science, Olivia Clekina)
• Looking Beyond the Hype, Marine collagen has become one of the most talked-about supplements in wellness, but how much of what you hear is supported by evidence? Let's separate fact from fiction. (Community, Olivia Clekina)
• Choosing with Confidence, Not Confusion, With so many marine collagen supplements available, choosing one can feel overwhelming. This guide explains what to look for and how to separate evidence from marketing. (Community, Olivia Clekina)
• The Future of Wellness: What Will Supplements Look Like in the Next 10 Years?, The future of supplements is likely to become more personalised, evidence based and preventative. Advances in nutrition science, genetics, artificial intelligence and microbiome research may help people choose supplements based on their individual needs rather than general recommendations. (Science, Olivia Clekina)
• Clean Ingredients: What Does That Actually Mean?, Clean ingredients generally refer to supplements made with transparent, high quality ingredients while avoiding unnecessary additives, artificial colours and excessive fillers. However, there is no official legal definition of "clean," making it important to read labels carefully instead of relying on marketing claims alone. (Science, Olivia Clekina)
• The root that waits, A defined Rhodiola rosea root and rhizome extract for a steady morning ritual, endurance, not stimulation. (Ingredients, Olivia Clekina)
• Why We Started Clekina: A Simpler Way to Think About Wellness, Clekina was created around one simple belief. Wellness should feel clear, trustworthy and enjoyable. We believe in clean ingredients, evidence based information and products that support healthy habits instead of promising impossible results. (Community, Olivia Clekina)
• The mushroom that teaches the evening to slow down, A traditional wood-growing mushroom placed inside an evening ritual, with honest limits on what the science actually shows. (Ingredients, Olivia Clekina)
• The fjord remembers, Norwegian marine collagen from Atlantic cod, a traceable, hydrolysed peptide for a slow daily structure-care ritual. (Ingredients, Olivia Clekina)
• The mineral that does not like attention, Zinc bisglycinate for the quiet work of normal skin, hair, nails and immune-system function, never a treatment for hair loss or acne. (Ingredients, Olivia Clekina)
• The 12-week vitamin: the quiet work of biotin, Biotin (vitamin B7) as a precise daily foundation nutrient, one nutrient, one declared dose, and no miracle-hair promises. (Ingredients, Olivia Clekina)
• The green microalga that learned to survive light, Natural astaxanthin from Haematococcus pluvialis, a red carotenoid inside a slow, food-based daily ritual, never a substitute for sunscreen. (Ingredients, Olivia Clekina)
• The molecule that remembers water, Mixed molecular weight hyaluronic acid for a simple Hydrate, Hold and Seal routine, help the skin hold what it already understands. (Ingredients, Olivia Clekina)
• The oil that still remembers the hands, Moroccan argan oil as an emollient for softness and moisture-barrier comfort, not an anti-ageing treatment. (Ingredients, Olivia Clekina)
• The golden root that refuses to disappear, A standardised curcumin extract placed inside a measured daily movement-care ritual, clarity over hype. (Ingredients, Olivia Clekina)
• Omega-3: a cleaner daily oil ritual, Triglyceride-form EPA and DHA with declared active omega-3 content, freshness documented, not marketed. (Ingredients, Olivia Clekina)
• The orange berry that holds winter light, Sea buckthorn berry oil from Hippophae rhamnoides, a vivid botanical oil with a documented fatty-acid and carotenoid profile. (Ingredients, Olivia Clekina)
• The root that teaches the body to exhale, A defined Withania somnifera root extract inside a considered evening ritual, resilience without treatment claims. (Ingredients, Olivia Clekina)
• The mushroom that grows like a thought, A clearly identified Hericium erinaceus fruiting-body extract for a considered morning ritual, beta-glucans documented, not vague. (Ingredients, Olivia Clekina)
• The root that learned to live above the clouds, Peruvian maca root as a traditional Andean food ingredient for a considered morning ritual, nourishment shaped by altitude. (Ingredients, Olivia Clekina)
• The evening leaf, Ocimum tenuiflorum as a warm, sensory pause at the end of the day, a leaf, a scent, a cup and a pause. (Ingredients, Olivia Clekina)
• The mineral the body asks for at night, Magnesium bisglycinate for a quieter evening routine, normal muscle, nervous-system and psychological function, without insomnia promises. (Ingredients, Olivia Clekina)
• The Collagen Your Skin Actually Uses and How to Help It Get There, Hydrolysed collagen peptides don't become skin themselves, they whisper to the cells that build it. A closer look at what the research actually shows. (Science, Olivia Clekina)
• Why Less Melatonin Might Actually Help You Sleep Better, Melatonin is not a sleeping pill, it's a signal. Why 0.3 mg often does what 10 mg cannot, and how timing matters more than dose. (Science, Olivia Clekina)
• Is Ashwagandha Really for Everyone? The Science Behind Stress, Cortisol and Who Actually Benefits, Ashwagandha may help some people handle chronic stress, but not everyone needs it. A grounded look at cortisol, adaptogens and honest expectations. (Science, Olivia Clekina)
• Zinc: The Quiet Mineral Behind Healthy Skin, Immunity and Healing, Zinc supports your immune system, skin, wound healing and hundreds of essential processes in the body. Here's what science actually says. (Ingredients, Olivia Clekina)
• Gut Health Is More Than Probiotics: What Your Microbiome Actually Needs, Probiotics are only one part of gut health. Here's how your microbiome works, what actually supports it and why diversity matters more than perfection. (Science, Olivia Clekina)
• The Wellness Industry Loves Quick Fixes. Your Body Does Not., Can one supplement change your health? Here's why lasting wellness comes from daily habits, and how supplements fit into the bigger picture. (Rituals, Olivia Clekina)
• A Quiet Mineral at the End of the Day, Many people take magnesium before bed, but is nighttime really the best time? Explore what current research says and where evidence remains limited. (Science, Olivia Clekina)
• When Rest Meets Research, Magnesium is often linked with better sleep, but what does the research actually say? Discover the evidence, the limitations and how magnesium fits into a healthy bedtime routine. (Science, Olivia Clekina)
• Zinc and Skin: Where the Evidence Meets the Hype, Zinc has been studied in acne for decades, but the evidence is more nuanced than many online claims suggest. Here is what human research actually tells us. (Science, Olivia Clekina)
• Finding Magnesium in Everyday Foods, Magnesium is found in many everyday foods, from leafy greens to nuts and whole grains. Learn where to find it naturally and what current research says. (Science, Olivia Clekina)
• When the Body Needs More Than We Realise, Magnesium deficiency is a recognised medical condition, but its signs are often non-specific. Discover what current evidence says and when to seek medical advice. (Community, Olivia Clekina)
• The Mineral Behind the Movement, Magnesium plays an important role in normal muscle function and energy metabolism. But can taking more actually improve exercise performance or recovery? Here's what the research shows. (Science, Olivia Clekina)
• Finding Balance in a Busy Body, Magnesium is often described as a calming mineral, but what does science actually show? Explore its role in normal nervous system function and the limits of current evidence. (Science, Olivia Clekina)
• Not All Magnesium Looks the Same, Magnesium supplements come in many forms, but what actually separates citrate from oxide, glycinate and other compounds? Here's what the science tells us. (Science, Olivia Clekina)
• The Small Mineral Behind Big Questions, Zinc is an essential mineral involved in normal skin, hair and immune function. But how much does it really matter for appearance? We explore the evidence. (Science, Olivia Clekina)
• When Skin Meets Science, Zinc has been studied in relation to acne for decades. But does taking zinc actually help? We look at the human evidence, its limitations and what remains uncertain. (Science, Olivia Clekina)
• The Mineral Behind the Strand, Zinc plays an important role in normal biology, including processes involved in hair growth. But does taking more zinc help with hair loss? The evidence is more nuanced. (Science, Olivia Clekina)
• When the Body Is Missing a Small but Important Mineral, Zinc deficiency can affect skin, hair, appetite, wound healing and immune function. But recognising a possible deficiency is more complicated than matching symptoms to a list. (Science, Olivia Clekina)
• A Little More Zinc, Naturally, Zinc is found in seafood, meat, dairy, eggs, legumes, nuts, seeds and whole grains. Here's how to make zinc-rich foods part of ordinary meals. (Science, Olivia Clekina)
• Zinc, Hair and the Nutrient Question, Zinc is essential for normal health, and severe deficiency can affect hair. But does taking extra zinc improve hair? The evidence is more nuanced. (Science, Olivia Clekina)
• Zinc and the Quiet Work of Healthy Skin, Zinc is an essential mineral involved in several processes that keep skin functioning normally. But its role is more nuanced than beauty claims often suggest. (Science, Olivia Clekina)
• Zinc and the Complex Story of Clearer Skin, Zinc has been studied as a possible part of acne care for decades. The research is interesting, but the evidence is more nuanced than a simple “zinc clears acne” claim. (Science, Olivia Clekina)
• Zinc and the Quiet Biology of Healthy Hair, Zinc is involved in many of the cellular processes that support normal growth and tissue maintenance. But does having more zinc mean healthier hair? The research is more nuanced. (Science, Olivia Clekina)
• Beyond the Word “Clean”, “Clean” is everywhere in beauty, but it does not have one universal scientific definition. Here is a simpler, more honest way to understand the term. (Science, Olivia Clekina)
• Nature Is Not the Whole Story, Natural ingredients can be valuable, but natural does not automatically mean safer. Here is what the evidence tells us about natural and synthetic beauty ingredients. (Science, Olivia Clekina)
• Learning to Read the Label, Skincare ingredient lists can look complicated, but you do not need a chemistry degree to understand the basics. Here is where to start. (Science, Olivia Clekina)
• What We Choose to Tell You, Ingredient transparency is more than listing ingredients. It is about giving people clear, honest information without hiding behind confusing language or exaggerated claims. (Community, Olivia Clekina)
• Safety Is More Than a Label, Cosmetic ingredient safety is more complicated than deciding whether an ingredient sounds natural or synthetic. The evidence, amount and intended use all matter. (Science, Olivia Clekina)
• When Scent Meets Skin, Fragrance can make a skincare product more enjoyable to use, but some fragrance substances can cause contact allergy. Here is what the research tells us. (Science, Olivia Clekina)
• Beyond the Natural Label, Natural ingredients can be wonderful, but “natural” is not a guarantee of safety, effectiveness or quality. Here is why ingredient context matters. (Science, Olivia Clekina)
• The Arctic root that Viking warriors carried into battle, Rhodiola rosea has spent a thousand years modulating human stress. Modern science is finally catching up. (Ingredients, Elin Sørensen)
• Four generations of argan: the women of Berrada, In the Atlas Mountains, thirty-two women hand-press the oil that has defined their family for a century. (Community, Yasmin El Khoury)
• Cold water, slow growth: why fjord-caught matters, The slower a fish grows, the denser its omega-3 profile. A small Norwegian fishery is proving the point. (Origins, Magnus Hákonsen)
• An evening ritual, ten generations old, In Kerala, ashwagandha is not a supplement. It is a quiet way of ending the day. (Rituals, Anjali Menon)
• What 'peer-reviewed' actually means on a supplement label, The phrase is everywhere. The standards behind it vary wildly. Here's how to read past the marketing. (Science, Dr. Iris Lambert)
• What a regenerative meadow looks like in year seven, We followed a single Icelandic plot for seven years. The soil tells the story better than we can. (Origins, Sigrún Ólafsdóttir)