Doctor's Best NMN 200mg 60 Veggie Caps provides nicotinamide mononucleotide — a direct precursor to NAD+ (nicotinamide adenine dinucleotide), the essential coenzyme that powers cellular energy metabolism and serves as a critical substrate for longevity-associated enzymes including sirtuins and PARPs. NAD+ levels decline significantly...

Doctor's Best Natural Vitamin K2 MK-7 with MenaQ7® features the most extensively researched and bioavailable form of vitamin K2 — menaquinone-7 (MK-7) from MenaQ7®. Unlike vitamin K1 (phylloquinone) or shorter-chain K2 forms, MK-7 has the longest half-life of any K2 form in the blood...

Doctor's Best MSM with OptiMSM® provides methylsulfonylmethane — an organic sulphur compound and one of the most widely used joint support supplements in the world. MSM is the body's primary dietary source of bioavailable sulphur, which is essential for the synthesis of collagen, keratin,...

Doctor's Best Lutein with Lutemax® 2020 is a comprehensive eye health formula featuring FloraGLO® lutein and Lutemax® 2020 — the only macular carotenoid complex clinically shown to improve three macular pigments: lutein, RR-zeaxanthin, and RS (meso)-zeaxanthin. Together these pigments form the macular pigment optical...

Doctor's Best L-Tyrosine 500mg 120 Veggie Caps provides a free-form, crystalline amino acid that serves as the direct precursor to the catecholamine neurotransmitters dopamine, norepinephrine, and epinephrine — the brain chemicals most associated with focus, motivation, mood, and the stress response. L-Tyrosine also serves...

L-Theanine with Suntheanine® for Calm Focus & Stress ReliefDoctor's Best L-Theanine features Suntheanine® — the only pure L-isomer form of theanine, produced via a patented enzymatic process that mirrors how it naturally occurs in green tea. L-Theanine promotes a relaxed, calm mental state without...

Doctor's Best L-Carnitine Fumarate 855mg provides L-Carnitine bonded with fumaric acid — a Krebs cycle intermediate — creating a form that supports both carnitine's mitochondrial fat-transport function and cellular energy production through the Krebs cycle. L-Carnitine is essential for transporting long-chain fatty acids across...

Doctor's Best Pure L-Arginine Powder 300g – Nitric Oxide Precursor for Cardiovascular, Blood Flow & Athletic PerformanceDoctor's Best Pure L-Arginine provides pharmaceutical-grade L-arginine in a convenient, unflavoured powder format — the direct precursor to nitric oxide (NO), the molecule that relaxes and dilates blood...

Hyaluronic Acid & Chondroitin Sulfate for Joint Lubrication & Connective TissueDoctor's Best Hyaluronic Acid with Chondroitin Sulfate combines two essential components of joint synovial fluid and cartilage matrix. Hyaluronic acid provides the cushioning and lubrication that keeps joints moving smoothly; chondroitin sulfate helps maintain...

High Potency Serrapeptase for Inflammation, Sinus & Tissue SupportDoctor's Best High Potency Serrapeptase 120,000 SPU delivers a powerful proteolytic enzyme originally derived from silkworms. Serrapeptase breaks down non-living protein tissue in the body — including inflammatory proteins, mucus, scar tissue and fibrin — supporting...

Fast-Absorbing Vitamin C with PureWay-C® for Immune & Antioxidant SupportDoctor's Best High Absorption Vitamin C features PureWay-C® — a patented vitamin C complex bonded to lipid metabolites and bioflavonoids for significantly faster absorption and longer retention in the body compared to standard ascorbic acid....

High Absorption Curcumin C3 with BioPerine for Inflammation & Antioxidant SupportDoctor's Best High Absorption Curcumin C3 Complex® with BioPerine® delivers a clinically validated curcumin blend — C3 Complex contains three curcuminoids (curcumin, bisdemethoxycurcumin and demethoxycurcumin) paired with BioPerine black pepper extract to enhance bioavailability...

Doctor's Best High Absorption 100% Chelated Magnesium Powder 200g provides magnesium in TRAACS® chelated forms — bonded to amino acids (glycinate and lysinate) for superior absorption and gastrointestinal tolerance compared to magnesium oxide or citrate. As a powder, it allows flexible dosing and is...

Doctor's Best Fully Active Folate with Quatrefolic® 400mcg delivers folate in the bioactive methylated form — (6S)-5-methyltetrahydrofolate (5-MTHF) — bypassing the metabolic conversion step that up to 40% of people cannot perform efficiently due to MTHFR gene variants. Unlike folic acid, which requires conversion...

Extra Strength Ginkgo for Memory, Focus & Brain CirculationDoctor's Best Extra Strength Ginkgo 120mg delivers a standardised extract of Ginkgo biloba — one of the most researched herbal supplements for cognitive function and cerebral blood flow. Each capsule provides 120mg of extract standardised to...

High-Bioavailability Curcumin for Inflammation & Joint SupportDoctor's Best Curcumin Phytosome with Meriva® delivers curcumin complexed with phosphatidylcholine — a patented technology that dramatically improves curcumin's absorption compared to standard extracts. Meriva® is the most clinically studied curcumin phytosome in the world, with published human...

Doctor's Best Collagen Types 1 & 3 with Vitamin C 1000mg 180 Tablets provides hydrolysed bovine collagen peptides in the two most abundant collagen forms in the human body — Type 1 (skin, tendons, bone) and Type 3 (skin, blood vessels). Vitamin C is...

Doctor's Best Cinnamon Extract Cinnulin PF® 125mg delivers a concentrated, water-soluble cinnamon extract standardised to the most bioactive fraction of cinnamon — type-A polyphenolic polymers — while removing potentially harmful fat-soluble compounds like coumarin. Cinnulin PF® is a patented, clinically tested extract shown to...

Doctor's Best Brain Magnesium with Magtein® 90 Veggie Caps features the only form of magnesium shown in pre-clinical research to reliably cross the blood-brain barrier and increase brain magnesium levels. Developed by researchers at MIT, Magtein® (magnesium L-threonate) enhances synaptic density and plasticity in...

Doctor's Best Boswellia with UCII® 60 Veggie Caps combines two clinically studied anti-inflammatory and joint support ingredients: Boswellia serrata extract (standardised to AKBA) and UC-II® undenatured type 2 collagen. Boswellia AKBA is the most potent anti-inflammatory constituent of the Boswellia resin, shown to inhibit...

Doctor's Best Betaine HCL Pepsin & Gentian Bitters 120 capsules supports healthy digestion by helping to optimise stomach acid levels, which naturally decline with age. Adequate stomach acid (hydrochloric acid) is essential for protein digestion, mineral absorption, and preventing the overgrowth of unwanted bacteria...

Doctor's Best Benfotiamine 300mg is a high-potency, fat-soluble form of vitamin B1 (thiamin) that reaches significantly higher tissue concentrations than standard water-soluble thiamin. Benfotiamine activates the enzyme transketolase, which redirects harmful sugar-derived metabolites away from pathways that can damage nerves, blood vessels, and the...

Doctor's Best Benfotiamine 150mg + Alpha-Lipoic Acid 300mg combines two complementary nutrients that work together to support healthy nerve function and protect against metabolic oxidative stress. Benfotiamine is a fat-soluble, highly bioavailable form of vitamin B1 (thiamin) that activates the pentose phosphate pathway —...

Doctor's Best Astaxanthin 6mg features AstaReal® — the world's leading astaxanthin, produced from indoor-cultivated Haematococcus pluvialis microalgae without any solvents. Astaxanthin is a naturally occurring carotenoid and is considered one of the most potent antioxidants in nature — up to 6,000 times stronger than...

Doctor's Best Ashwagandha with Sensoril® 125mg features the clinically studied, standardised extract of Withania somnifera root and leaf — one of the most researched adaptogenic herbs in Ayurvedic medicine. Sensoril® is a patented, full-spectrum ashwagandha extract standardised to the highest levels of withanolide glycosides...

Doctor's Best Alpha-Lipoic Acid (ALA) 600mg delivers a potent dose of one of the most versatile antioxidants in human biochemistry. Unlike most antioxidants, ALA is both fat-soluble and water-soluble — allowing it to work in virtually every cell and tissue in the body. ALA...

Doctor's Best 5-HTP Enhanced combines 100mg of 5-HTP from Griffonia simplicifolia with vitamin B6 and vitamin C — two essential co-factors that support the enzymatic conversion of 5-HTP into serotonin. While standard 5-HTP provides the raw material for serotonin, the Enhanced formula ensures the...

Doctor's Best 5-HTP 100mg is derived from the seeds of Griffonia simplicifolia — a West African plant that is the primary commercial source of 5-hydroxytryptophan (5-HTP). 5-HTP is the direct precursor to serotonin, the neurotransmitter that plays a key role in regulating mood, sleep,...

Source Naturals ArcticPure® Ultra Potency Omega-3 Fish Oil delivers a potent 850 mg of omega-3 fatty acids per softgel, supporting the functions of the brain, joints, and circulatory system while also strengthening the immune system. ArcticPure® uses fish oils from the cleanest sources on...

Source Naturals Wellness Oil of Oregano is derived from authentic, wildcrafted true oregano (Origanum vulgare), an aromatic herb native to the Mediterranean region. Standardised to 70% carvacrol — one of the most potent concentrations on the market — this formula delivers consistent, measurable levels...

Source Naturals Vitamin K (phylloquinone) is a fat-soluble vitamin best known for its important function in the biological activity of several blood coagulation factors. Recent research has also shown a significant role for vitamin K in bone health. Vitamin K plays a key role...

Source Naturals Vitamin B-2 (riboflavin) is a component of two key enzymes: flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). These enzymes are important in energy production and are essential for normal fatty acid and amino acid synthesis. Because of their vital roles in...

Taurine is a crystalline, free-form amino acid. It is a soothing, inhibitory neurotransmitter and plays a major role in stabilising the heartbeat and electrical activity of the nerves. Taurine is also necessary for the proper functioning of the sodium/potassium ATP-ase pump, which regulates the...

Source Naturals Taurine 1000™ is a crystalline, free-form amino acid. It is a soothing neurotransmitter and plays a major role in stabilising the heartbeat and electrical activity of the nerves. Taurine is also necessary for the proper functioning of the body's energy cycle, a...

Source Naturals St. John's Wort Extract is standardised to consistently supply 0.3% hypericins. A daily intake of St. John's wort, standardised to 2.7 mg of hypericins, may support a positive outlook and mood. Benefits may be experienced within 4 to 6 weeks of initial...

Silymarin, a flavonoid complex extracted from milk thistle seeds, is an important contributor to the support of healthy liver function. The liver plays an important role in digestion, detoxification, blood sugar regulation and fat metabolism. In in vitro studies, silymarin demonstrated antioxidant activity and...

Source Naturals Reduced Glutathione Complex contains glutathione (GSH), a key element of the liver's detoxifying process, and also the precursor for glutathione peroxidase, a major free radical scavenging enzyme. Recent scientific research indicates that molybdenum, a trace mineral that activates the enzymes aldehyde oxidase...

Glutathione is composed of the amino acids L-cysteine, L-glutamic acid, and glycine. It is a potent antioxidant and works in the liver to protect the body from harmful substances. It also functions as a precursor to glutathione peroxidase, a key antioxidant enzyme which protects...