Supplements, Vitamins & Minerals
Everything we compare — what each one does and why it matters.
Vitamins
5 supplementsSupports hair, skin and nail health.
Biotin (vitamin B8) is a water-soluble vitamin essential for the metabolism of fats, carbohydrates and proteins. It is known for its role in hair, skin and nail health. Deficiency is rare with a varied diet, but supplementation is popular for its cosmetic benefits.
📊 Compared per 1,000 mcg biotinSupports energy and nerve health.
Vitamin B12 is essential for red blood cell production and nervous system function. It is only found in animal products, which means vegans and older adults (who absorb it less efficiently) almost always need supplementation.
📊 Compared per 1,000 mcg cobalamin (B12)Supports immunity and antioxidant defense.
Vitamin C is a powerful antioxidant that the body cannot produce itself. It supports the immune system, collagen production and the absorption of iron from plant foods. Need increases with intense exercise or stress.
📊 Compared per 1,000 mg vitamin CSupports bones and immune function.
Vitamin D3 is produced by the skin on sun exposure, but most people in northern Europe get too little for most of the year. It plays a crucial role in calcium absorption for strong bones and supports the immune system, muscle function and energy levels.
📊 Compared per 25 mcg cholecalciferol (vitamin D3)Supports bone and cardiovascular health.
Vitamin K2 (menaquinone) ensures calcium ends up in the right place: in the bones rather than the blood vessels. It works synergistically with vitamin D3. Supplementation is particularly relevant for people who eat little fermented food or organ meat.
📊 Compared per 100 mcg menaquinone (K2)Minerals
6 supplementsSupports bone strength and density.
Calcium is the most abundant mineral in the body and forms the foundation of bones and teeth. It also plays a role in muscle contraction and nerve conduction. Supplementation is particularly useful for people who eat little dairy or have an elevated risk of osteoporosis.
📊 Compared per 1,000 mg elemental calciumSupports red blood cell production.
Iron is needed for the production of haemoglobin, the protein that transports oxygen through the blood. Deficiency leads to anaemia, fatigue and reduced concentration. Women, vegetarians and endurance athletes have an elevated risk of deficiency.
📊 Compared per 100 mg elemental ironSupports muscle and nerve function.
Magnesium is involved in over 300 enzymatic processes in the body. It helps with muscle contraction and relaxation, energy production, sleep quality and stress regulation. Deficiency is common and can cause muscle cramps, fatigue and sleep problems.
📊 Compared per 1,000 mg elemental magnesiumSupports heart and muscle function.
Potassium is an electrolyte essential for heartbeat, muscle contraction and fluid balance. Most people get enough through food (bananas, potatoes, vegetables), but athletes who sweat heavily may benefit from extra intake.
📊 Compared per 1,000 mg elemental potassiumSupports fluid balance and nerve signals.
Sodium is the primary electrolyte in the blood and regulates fluid balance and blood pressure. For most people there is no shortfall through diet, but endurance athletes who sweat for long periods may benefit from sodium supplementation to prevent hyponatraemia.
📊 Compared per 1,000 mg sodiumSupports immune function and metabolism.
Zinc is an essential trace element involved in hundreds of enzymes in the body. It plays a key role in immune response, wound healing, DNA synthesis and testosterone production. Vegetarians and athletes often have a higher need.
📊 Compared per 100 mg elemental zincSupplements
6 supplementsSupports skin, joints and tendons.
Collagen is the most abundant protein in the body and forms the building block of skin, tendons, cartilage and joints. Collagen peptides are broken down into smaller chains that are well absorbed. Research points to benefits for skin hydration, joint complaints and recovery after exercise.
📊 Compared per 100 g collagen peptidesSupports high-intensity performance.
Creatine is one of the most researched supplements in the world. It increases phosphocreatine stores in your muscles, giving you more explosive power and energy for short, high-intensity efforts like weightlifting and sprints. Effective for almost anyone who exercises.
📊 Compared per 100 g creatineSupports healthy sleep cycles.
Melatonin is a hormone produced by the brain when it gets dark, preparing the body for sleep. As a supplement it is effective for shifting your circadian rhythm, for example during jet lag or shift work. A low dose (0.5–1 mg) is sufficient for most people.
📊 Compared per 1 mg melatoninSupports gut health and immunity.
Probiotics are live microorganisms that, in the right amounts, provide a health benefit. They support the balance of gut flora, which influences digestion, immune function and even mood. Not all strains work the same — quality varies greatly between products.
📊 Compared per 10,000,000,000 CFU CFUSupports digestive health and regularity.
Psyllium fibres are soluble fibres from the husk of Plantago ovata seeds. They absorb water in the intestines, making stools softer and more regular. They also help regulate blood sugar and cholesterol. A safe and effective supplement for gut health.
📊 Compared per 100 g fiberSupports muscle growth and recovery.
Whey protein is a fast-absorbing protein derived from whey, a by-product of cheese production. It contains all essential amino acids and has a high biological value. Ideal immediately after training to promote muscle recovery and growth. One of the most researched and effective supplements for strength athletes.
📊 Compared per 100 g proteinBotanicals & Others
13 supplementsSupports stress resilience and energy.
Ashwagandha is an adaptogenic herb from Ayurvedic medicine used for centuries. Multiple studies show it lowers cortisol (the stress hormone), reduces fatigue and improves endurance. The effect is strongest in people with chronic stress.
📊 Compared per 100 mg withanolidesSupports blood sugar and metabolism.
Berberine is a plant compound found in various shrubs such as barberry. It activates the AMPK enzyme, also called the "metabolic master switch", and has proven effects on blood sugar regulation comparable to metformin. Interesting for people with insulin resistance or metabolic syndrome.
📊 Compared per 1,000 mg berberineSupports immunity and gut health.
Colostrum is the first milk produced by mammals immediately after birth. It is rich in antibodies, growth factors and immune proteins. Bovine colostrum is used as a supplement for immune support, gut integrity and recovery after intense exercise.
📊 Compared per 100 g colostrumSupports cellular energy production.
CoQ10 (coenzyme Q10) is a substance found naturally in every cell and plays an essential role in mitochondrial energy production. Production decreases with age. Supplementation has been studied particularly in cardiovascular disease, fatigue and as a complement to statin use.
📊 Compared per 1,000 mg CoQ10Supports anti-inflammatory response.
Curcumin is the active compound in turmeric and has potent anti-inflammatory and antioxidant properties. Absorption is naturally poor but is greatly improved by combining it with piperine (black pepper extract). Promising for joint pain, recovery support and chronic inflammation.
📊 Compared per 1,000 mg curcuminoidsSupports calm focus and relaxation.
L-theanine is an amino acid found naturally in green tea. It promotes a state of relaxed alertness without drowsiness. Combined with caffeine it reduces caffeine side effects (such as jitteriness and anxiety) and enhances focus. One of the safest and most appreciated mental supplements.
📊 Compared per 1,000 mg L-theanineSupports brain health and cognition.
Lion's Mane (Hericium erinaceus) is a medicinal mushroom containing compounds that stimulate the production of NGF (nerve growth factor). This supports the growth and repair of nerve cells. Research points to positive effects on memory, concentration and mood.
📊 Compared per 1,000 mg beta-glucansSupports hormonal balance and mood.
Myo-inositol is a sugar alcohol found naturally in the body that plays a role in insulin signalling and hormonal regulation. It has been extensively studied in PCOS (polycystic ovary syndrome) and has proven effects on the menstrual cycle, fertility and insulin sensitivity.
📊 Compared per 1,000 mg myo-inositolSupports NAD+ levels and energy.
Nicotinamide riboside (NR) is, like NMN, a precursor to NAD+ and has similar potential benefits: more cellular energy, better DNA repair and support for healthy ageing. It has been studied slightly longer than NMN and is well tolerated.
📊 Compared per 1,000 mg NRSupports cellular energy and longevity.
NMN (nicotinamide mononucleotide) is a precursor to NAD+, a coenzyme central to cellular energy production and DNA repair. NAD+ levels decline with age. NMN supplementation is promising for energy improvement and longevity, but human research is still in its early stages.
📊 Compared per 1,000 mg NMNSupports heart and brain health.
Omega-3 fatty acids (EPA and DHA) are found naturally in fatty fish and are essential for heart and brain function. They lower triglycerides, support cognition and have anti-inflammatory effects. People who eat little fish benefit the most from supplementation.
📊 Compared per 1,000 mg EPA+DHASupports antioxidant and immune defense.
Quercetin is a flavonoid found abundantly in onions, apples and berries. It has potent antioxidant and anti-inflammatory properties and is being researched for its potential as a senolytic (clearing away aged cells). Interesting for allergies, recovery support and general health.
📊 Compared per 1,000 mg quercetinSupports cardiovascular and cellular health.
Resveratrol is a polyphenol found naturally in red grapes, red wine and berries. It activates sirtuins, proteins involved in cell health and lifespan regulation. Despite promising animal research, evidence in humans remains limited.
📊 Compared per 1,000 mg trans-resveratrol