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Pick a goal. We'll rank compounds by our editorial score for that use case.
Ivermectin
A broad-spectrum antiparasitic drug on the WHO Essential Medicines list. Nobel Prize-winning treatment for river blindness and lymphatic filariasis. Extensively repurposed and controversially promoted for COVID-19.
Vitamin D3 (Cholecalciferol)
Vitamin D3 is the most effective supplemental form of vitamin D, essential for calcium absorption, bone health, immune modulation, and increasingly linked to reduced mortality.
Zinc
Zinc is an essential trace mineral involved in over 300 enzymatic reactions, critical for immune function, wound healing, protein synthesis, and DNA repair.
Zinc Picolinate
Zinc picolinate is zinc chelated with picolinic acid, providing one of the best-absorbed forms of supplemental zinc for general immune and metabolic support.
Artemisinin
A sesquiterpene lactone derived from sweet wormwood (Artemisia annua) that is the cornerstone of modern malaria treatment. Also investigated for anticancer and anti-inflammatory properties.
Retinol (Vitamin A)
Retinol is the preformed, active form of vitamin A essential for vision, immune function, skin health, and gene expression.
Sodium Ascorbate
Sodium ascorbate is a buffered, non-acidic form of vitamin C that is gentler on the stomach while providing equivalent antioxidant and immune-supporting activity.
Vitamin C
Vitamin C (ascorbic acid) is a water-soluble essential antioxidant required for collagen synthesis, immune function, and iron absorption, and is one of the most widely studied nutrients.
Beta-glucans
Polysaccharides from yeast, oats, and mushrooms that modulate innate immune function via dectin-1 receptor activation on macrophages and dendritic cells.
Selenium
Selenium is an essential trace mineral incorporated into selenoproteins that are critical for antioxidant defense, thyroid function, and immune regulation.
Selenomethionine
Selenomethionine is the primary organic form of selenium found in food, offering superior absorption and tissue storage compared to inorganic selenium.
Ergocalciferol (Vitamin D2)
Ergocalciferol (vitamin D2) is the plant-derived form of vitamin D, less effective than D3 at raising and maintaining serum 25(OH)D levels.
Quercetin Phytosome
Quercetin phytosome is a phospholipid-complexed form of quercetin with dramatically improved bioavailability compared to standard quercetin.
Glutamine
The most abundant amino acid in the body, important for gut barrier integrity, immune cell fuel, and muscle recovery. Conditionally essential during illness or intense exercise.
Lactoferrin
An iron-binding glycoprotein found in milk, colostrum, and mucosal secretions with antimicrobial, anti-inflammatory, and immune-modulating properties.
Liposomal Vitamin C
Vitamin C encapsulated in phospholipid liposomes to improve oral bioavailability. May achieve higher plasma levels than standard oral vitamin C without the GI side effects of megadoses.
Quercetin
Quercetin is a widely distributed flavonoid with antioxidant, anti-inflammatory, and senolytic properties, found in onions, apples, and berries.
Garlic
A sulfur-rich bulb with some of the strongest herb data for cardiovascular and immune support.
Colostrum
First milk produced after birth, rich in immunoglobulins, lactoferrin, and growth factors. Bovine colostrum is supplemented for gut and immune support.
Immunoglobulins
Antibody proteins derived from bovine colostrum or serum. Oral immunoglobulins may support gut barrier function and immune defense in the GI tract.
NAC (N-Acetyl Cysteine)
A precursor to glutathione and a mucolytic agent. One of the most versatile supplements with applications ranging from liver protection to psychiatric conditions and respiratory health.
Spirulina
Spirulina is a blue-green microalgae rich in protein, phycocyanin, and micronutrients, with evidence for lipid-lowering, antioxidant, and immune-modulating effects.
Sulforaphane
Sulforaphane is an isothiocyanate derived from broccoli sprouts that potently activates Nrf2, the master regulator of cellular antioxidant defenses and detoxification enzymes.
L-Glutamine
The most abundant amino acid in the body, conditionally essential during physiological stress. Serves as fuel for enterocytes and immune cells, and is heavily marketed for gut health and recovery.
Elderberry
A dark berry extract used for upper-respiratory symptom support and antioxidant intake.