Evidence-based supplement & wellness guides.
Not medical advice. Research is cited in every article.

Start with a topic, or with a goal.

Look up something specific, or start from what you are trying to improve.

You know what you want to improve, but not which supplement, if any, is worth trying.

Sleep

Falling and staying asleep

How sleep works, how much you need, and the everyday habits and supplements that support better rest.

8 guides

01By goal

Woman sleeping on her side in bed with a smartphone beside her, illustrating nighttime rest and sleep quality.What Is Sleep Quality and How Can You Measure It?7 min readWoman sleeping in bed at night beside a warm bedside lamp.What Is the Difference Between Deep Sleep and REM Sleep?7 min readAlarm clock in the foreground beside a person sleeping in bedHow Much Sleep Do You Really Need?10 min read

Stress & Anxiety

Cortisol, calm, routine

What stress does to the body and mind, and which habits and supplements research supports for calmer days.

4 guides

02By goal

Wooden blocks spelling “Anxiety” with assorted tablets arranged below on a light backgroundPhysical Symptoms of Anxiety: Why Your Body Reacts to Stress9 min readWoman sitting with her hands near her face while another person rests a supportive hand on her shoulderWhat Happens to Your Body During Stress and Anxiety?9 min readAn anxious woman sitting on the floor with her hands on her face while several gloved hands reach toward herStress vs. Anxiety: What’s the Difference?8 min read

Energy & Fatigue

Low energy, tiredness

Common causes of tiredness, from sleep and hydration to nutrients, and when fatigue needs a doctor.

4 guides

03By goal

Tired woman resting on a sofa with a cup of tea and a sleeping cat, illustrating feelings of physical and mental fatigue.Physical vs. Mental Fatigue: How Are They Different?8 min readSplit image comparing fatigue at a desk with sleepiness shown by a woman yawning on a sofaWhat Is the Difference Between Fatigue and Sleepiness?7 min readOlder woman resting on a couch with her eyes closedDehydration and Fatigue: Can Dehydration Make You Tired?11 min read

Brain & Mood

Focus, memory, mood

Neurotransmitters, hormones and the nutrients behind focus, memory and mood.

3 guides

04By goal

Man reading a magazine with a brain illustration while sitting on a park benchHow Does the Brain Communicate With the Body?7 min readIllustration of a woman experiencing different moods throughout the day, from morning energy to afternoon tiredness and evening relaxation.Why Your Mood Shifts From Morning to Night8 min readIllustration of a human head with branching arrows representing brain chemistry, emotional responses, and changes in mood.How Does Your Brain Control Emotions? The Science Explained9 min read

Immune Support

Seasonal, recovery

What the immune system needs, which nutrients matter, and what research says about popular immune supplements.

4 guides

05By goal

Medical illustration of an immune cell surrounded by healthy foods, restful sleep, and physical activity to support immune system function.Immune Support: What Actually Helps Your Immune System?13 min readNutritious meal with vegetables, quinoa and toast served with waterWhat to Eat When You’re Sick: A Practical Nutrition Guide8 min readOrange and lemon halves with ginger and a bottle of orange juice on a white surfaceFoods That Support a Healthy Immune System8 min read

Women’s Cycle & Health

Cycle, hormones, iron

The menstrual cycle, hormones and the nutrients women need most at each stage of life.

4 guides

06By goal

Woman resting in warm sunlight with a glowing egg-shaped illustration symbolizing ovulation.Ovulation Phase: What Happens When Your Body Releases an Egg?8 min readMedical illustration of the follicular phase showing ovarian follicle development, the uterus, and hormonal changes before ovulation.Follicular Phase: What Happens Before Ovulation?8 min readWhite menstrual pad decorated with red and white flowers on a peach backgroundMenstrual Phase: What Happens During Your Period?6 min read

Nutrition & Fitness

Training, protein, recovery

Practical guidance on fueling your body, building strength, and recovering well.

5 guides

07By goal

Raw pumpkin slices, cherry tomatoes, carrots, red onions, and garlic arranged on a parchment-lined baking tray before cooking.Does Cooking Destroy Nutrients in Vegetables?8 min readThree pumpkins with an orange flower arranged on a light backgroundPumpkin Nutrition: Benefits, Nutrients & Cooking Tips7 min readTwo people drinking electrolyte beverages after exerciseHydration and Electrolytes: How Much Water Do We Need and When Are Electrolytes Necessary?12 min read

Relax & Home

Aromatherapy, rituals

Calming rituals at home, from breathing and aromatherapy to evening routines, and what research says about them.

3 guides

08By goal

Pastel illustration of a woman sitting cross-legged and gently stretching her upper body to promote relaxation and release muscle tension.How to Relax Your Body Quickly: 6 Simple Techniques That Help7 min readWoman seated on a yoga mat doing a gentle neck stretch at homeBreathing Exercises for Relaxation: What Actually Helps?11 min readWoman relaxing on a couch with her eyes closedHow to Create a Relaxing Home Environment: A Simple Guide12 min read

Coming soon

Healthy Aging

You know the name and want to know whether it works, how much to take, and what to look for on the label.

Vitamins

D, C, B12, K2

What each vitamin does, how much you need, food sources, and when a supplement makes sense.

26 guides

01By supplement

Folic acid supplement bottle beside spinach, broccoli, lentils, and oranges, illustrating the difference between folic acid and natural food sources of folate.Folate vs. Folic Acid: Differences, Benefits & Uses8 min readIllustration of vitamin absorption in the digestive system, showing vitamins B, C, D, and K alongside nutrient-rich foods and the stomach and intestines.Are You Really Absorbing the Vitamins You Eat?12 min readWoman experiencing fatigue with an illustration of red blood cells, representing symptoms associated with vitamin B12 deficiency.Vitamin B12 Deficiency: Causes, Symptoms & Risk Factors11 min read

Minerals

Magnesium, iron, zinc

Calcium, magnesium, iron, zinc and the trace minerals: their roles, how much you need, and how they interact.

20 guides

02By supplement

Foods rich in iron, calcium, zinc, and selenium, including legumes, nuts, seeds, leafy greens, and vegetables.Minerals and Heavy Metals: How Iron, Calcium, Zinc & Selenium Interact8 min readPumpkin seeds scattered around a wooden serving tray on a light backgroundWhat Minerals Are in Pumpkin Seeds? Magnesium, Zinc, Iron & More8 min readAssorted red, orange, and yellow fruits and vegetables arranged in a circleVitamins vs. Minerals: What’s the Difference?8 min read

Herbs & Supplements

Adaptogens, mushrooms

Ashwagandha, adaptogens, mushrooms and other botanicals: what they are and what the evidence shows.

10 guides

03By supplement

Dried roots, herbs, and sliced botanicals displayed in bowls and glass jarsWhat Are Adaptogens and Do They Actually Work?9 min readCup of herbal tea beside dried flowers and a book on a bedTraditional Herbal Teas for Sleep: 4 Recipes, Preparation and Safety9 min readWoman sleeping on a white blanket surrounded by grass and wild plantsBest Herbs for Sleep: Active Compounds, Effects and What Research Says7 min read

Omega-3 & Fish Oil

EPA, DHA, krill

EPA and DHA, fish oil versus krill and algae oil, doses, and how to choose a quality product.

6 guides

04By supplement

Person pouring golden supplement capsules into their palm from a bottle, illustrating omega-3 and omega-6 supplement choices.Omega-3 vs. Omega-6: Do You Really Need Both?9 min readIllustration showing how plant-based ALA omega-3 from flaxseeds, chia seeds, and walnuts is digested and partially converted into EPA and DHA.ALA Omega-3: What Really Happens After You Eat It?9 min readEPA vs. DHA infographic comparing the roles of two omega-3 fatty acids in cardiovascular health, inflammation, brain function, and eye health.EPA vs. DHA: Two Omega-3s, Different Roles in Your Body8 min read

Probiotics & Gut

Strains, prebiotics

Probiotic strains, prebiotics, fermented foods, and how the gut microbiome affects health.

5 guides

05By supplement

Woman sitting on a bed holding her abdomenIs Bloating a Sign of Poor Gut Health?9 min readPerson holding their abdomen outdoorsCan You Reset Your Gut Microbiome?9 min readWoman holding her abdomen in an article about gut healthWhat Is the Gut Microbiome? A Simple Guide14 min read

Supplement Guides

Labels, timing, quality

How to read a label, choose a form, time your doses and spot a quality product.

4 guides

06By supplement

Vintage illustration of a Supplement Facts label with explanations of serving size, nutrients, daily value percentages, and other ingredients.How to Read a Supplement Facts Label8 min readVintage illustration of dietary supplements, including vitamins, minerals, omega-3, probiotics, herbal extracts, and collagen, with glass bottles and botanical drawings.What Are Dietary Supplements, and Do You Really Need Them?7 min readColorful tablets and capsules in assorted blister packsSupplement Forms: Capsules, Tablets, Gummies, Powders, and Liquids9 min read

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