Zinc Deficiency
Immunity, skin, and taste implications.
Ranked by evidence strength across reported benefits.
Vitamin D3
Steroid hormone precursor regulating ~5% of the human genome — bone, immune, and hormonal health.
N-Acetyl Cysteine (NAC)
Glutathione precursor with mucolytic, hepatoprotective, and psychiatric uses.
Vitamin A (Retinol)
Fat-soluble vitamin essential for vision, immune function, and epithelial integrity.
Vitamin C
Water-soluble antioxidant, collagen cofactor, and immune supporter.
Garlic
Culinary bulb with cardiovascular benefits primarily via allicin and aged-garlic compounds.
Lactobacillus Probiotics
Lactic acid bacteria supporting gut barrier, immunity, and women's urogenital health.
Beta-Glucan
Polysaccharide that primes innate immune cells (yeast) or lowers cholesterol (oat).
Vitamin D3 (Cholecalciferol)
Preferred form for raising 25(OH)D — the active form your skin makes from sun.
Aged Garlic Extract (Kyolic)
Odorless aged garlic with S-allyl-cysteine for vascular health.
Turkey Tail
Beta-glucan-rich mushroom used as immune adjunct in cancer (PSK approved in Japan).
Saccharomyces Boulardii
Beneficial yeast used to prevent and treat several types of diarrhea.
Andrographis
Bitter herb with strong RCT evidence for URI symptom reduction.
Zinc Gluconate
Most common over-the-counter zinc form — affordable, moderate bioavailability.
Andrographis (KalmCold)
Standardized andrographolide for acute upper respiratory infections.
Pelargonium sidoides (Umckaloabo)
South African geranium root for acute bronchitis and URIs.
Vitamin D3 (Maintenance)
Daily maintenance dose for non-deficient adults.
Vitamin D3 (Repletion)
Repletion dose for deficiency under medical supervision.
Selenium-Enriched Yeast
Yeast-bound selenomethionine — form used in major chemoprevention trials.
Tongkat Ali
Malaysian root extract that frees bound testosterone via SHBG reduction.
Zinc
Cofactor for ~300 enzymes — critical for testosterone, immune function, and DNA synthesis.
L-Glutamine
Most abundant amino acid; primary fuel for enterocytes and immune cells.
American Ginseng
Cooler adaptogen with stronger evidence for blood sugar and cold-flu prevention.
Licorice Root
Adrenal-supporting herb; chronic high-dose causes pseudo-aldosteronism.
Bovine Colostrum
First milk rich in IgG, lactoferrin, and growth factors for immune and gut support.
Lactoferrin
Iron-binding protein with antimicrobial and immunomodulating effects.
Tongkat Ali (Eurycoma longifolia)
Malaysian root with moderate human evidence for raising free testosterone and reducing SHBG.
Yohimbine
Alpha-2 antagonist — improves erection and fat loss in fasted state but cardiovascular caution.
Shilajit
Himalayan mineral exudate rich in fulvic acid, studied for testosterone and fatigue.
Reishi
Adaptogenic mushroom used for immune balance, sleep, and stress.
DIM (Diindolylmethane)
Cruciferous-derived compound modulating estrogen metabolism toward 2-OH pathway.
Quercetin
Flavonoid with antihistamine and senolytic effects; pairs with bromelain or vitamin C.
Saw Palmetto
5α-reductase-inhibiting berry extract — used for BPH and androgenic hair loss.
DIM (Diindolylmethane)
Cruciferous-vegetable metabolite that shifts estrogen metabolism toward 2-OH (protective) pathways.
Selenium
Trace mineral essential for glutathione peroxidase and thyroid hormone activation.
Cordyceps
Medicinal fungus studied for aerobic capacity and immune modulation.
Shiitake (Lentinan)
Culinary mushroom whose beta-glucan lentinan is an approved injectable immune adjunct.
Olive Leaf Extract
Mediterranean herb with antihypertensive and immune effects.
Saw Palmetto
Lipidosterolic extract used for BPH urinary symptoms.
Pygeum
African plum bark used for BPH urinary symptoms.
Stinging Nettle Root
Herbal for BPH and SHBG modulation, often paired with saw palmetto.
Bifidobacterium Probiotics
Dominant probiotic genus in the colon; supports immune and gut barrier.
Elderberry
Anthocyanin-rich berry used to shorten influenza and URI symptoms.
Echinacea
Native American herb used for URI prevention/duration reduction.
Cranberry
Berry with PACs that inhibit E. coli adhesion to urothelium for UTI prevention.
Panax Ginseng (Sexual Health)
Korean red ginseng with RCT-level evidence for erectile dysfunction.
Zinc (Sperm Health)
Concentrated in semen — essential for sperm production and testosterone.
Aged Garlic Extract (Kyolic)
Standardized aged garlic — modest BP and cholesterol benefits.
Zinc (Immune Use)
Lozenges started within 24h of symptom onset shorten colds ~33%.
Zinc Acetate
Lozenge form shown to shorten cold duration when used at first symptoms.
Lycopene
Tomato carotenoid linked with prostate and cardiovascular protection.
Agaricus blazei
Brazilian mushroom rich in β-glucans for immune modulation.
Maitake D-Fraction
Standardized β-glucan from Grifola frondosa for immune support.
Spirulina (Extra Profile)
Cyanobacterium with phycocyanin for allergy and immunity.
Zinc Bisglycinate (High-Bio)
Chelated zinc with superior absorption and tolerability.
Boron (Extra)
Trace mineral that modulates steroid hormones and bone.
Butterbur
Petasites hybridus extract for migraine prophylaxis and allergic rhinitis.
Cat's Claw
Uncaria tomentosa for joint pain and immunity.
Agaricus Blazei
Brazilian sun mushroom for immune support.
Phellinus Linteus
Meshima mushroom with hispolon for immune support.
Mucuna Pruriens
Velvet bean providing natural L-DOPA.
PEA (Palmitoylethanolamide)
Endogenous fatty acid amide for pain and inflammation.
L-Lysine
Essential amino acid for collagen and HSV prevention.
Selenium (Selenomethionine)
Antioxidant trace element for thyroid.
Quercetin Phytosome
Lecithin-complexed quercetin.
Quercetin + Bromelain
Anti-inflammatory pair for allergies.
Nettle Root
Urtica dioica for BPH.
Beta-Sitosterol
Plant sterol for BPH and cholesterol.
Stinging Nettle Leaf
Urtica dioica leaf for allergies and joint pain.
Isoquercetin
Highly bioavailable quercetin glycoside.
Luteolin
Flavone with anti-inflammatory effects.
Baicalin
Scutellaria baicalensis flavonoid.
Pelargonium Sidoides
South African geranium for bronchitis.
EPs 7630
Standardized Pelargonium extract.
Echinacea Purpurea
Coneflower for upper respiratory infections.
Echinacea Angustifolia
Narrow-leaf coneflower for immune support.
Black Maca
Lepidium meyenii black variant for energy.
Red Maca
Lepidium meyenii red variant for prostate.
Lion's Mane Fruiting Body
Hericinones-rich beta-glucan source.
Agarikon (Fomitopsis officinalis)
Antiviral polypore mushroom.
Poria Cocos
TCM mushroom for sleep and immunity.
Oyster Mushroom
Pleurotus ostreatus with ergothioneine.
Butterbur Ze 339
PA-free butterbur for allergic rhinitis.
Marshmallow Root
Althaea officinalis mucilage for cough.
Pomegranate Extract
Punica granatum ellagitannins.
Cranberry Extract
Vaccinium macrocarpon for UTI prevention.
Olive Leaf (Standardized Oleuropein)
High-oleuropein extract.
Lauric Acid
Coconut MCFA with antimicrobial activity.
Black Seed Oil (Nigella sativa)
Thymoquinone for immune and metabolic health.
Thymoquinone
Active black seed compound.
Propolis
Bee glue with caffeic acid phenethyl ester.
Bee Pollen
Pollen collected by bees.
Manuka Honey
Leptospermum honey with MGO.
Bromelain
Pineapple proteolytic enzyme.
Tongkat Ali Eurycomanone-Standardized
LJ100 standardized to 22% eurypeptides.
Stinging Nettle Root
Urtica dioica root for free testosterone.
Boron Citrate
Boron for hormone modulation.
Zinc Monomethionine (ZMA)
Zinc + magnesium + B6 for recovery.
Ginger Extract (Zingiber)
Standardized ginger for nausea and inflammation.
Galangal (Alpinia)
Thai ginger relative for inflammation.
Holy Basil (Tulsi)
Ocimum sanctum adaptogen.
Holy Basil Eugenol
Active constituent of tulsi.
Liposomal Vitamin C
Phospholipid-encapsulated vitamin C.
Ascorbyl Palmitate
Fat-soluble vitamin C ester.
Sodium Ascorbate
Buffered vitamin C form.
Bovine Colostrum
First milk with growth factors.
Chlorella
Green algae with chlorophyll.
Amla (Indian Gooseberry)
Phyllanthus emblica vitamin C source.
Black Cumin Seed Oil
Nigella sativa oil.
Eleuthero
Adaptogen used to support stamina, immune function, and stress resilience.
Pumpkin Seed Oil
Cold-pressed seed oil studied for hair density and prostate health.
Boron
Trace mineral with modest effects on free testosterone and bone mineralization.
Quercetin
Flavonoid with antihistamine, anti-viral, and senolytic activity.
Fadogia Agrestis
Nigerian shrub — popularized for testosterone support; sparse human data.
Chaga
Birch-tree mushroom rich in melanin, betulin, and antioxidants.
Monolaurin
Coconut-derived monoglyceride with antimicrobial properties against enveloped viruses.
Vitamin C (Harm-Reduction Antioxidant)
Water-soluble antioxidant — quenches dopamine quinone and other reactive metabolites.
Horny Goat Weed (Epimedium)
Icariin-rich herb with PDE5-inhibitor-like activity for erectile function.
Zinc Picolinate
Zinc chelated to picolinic acid — one of the most bioavailable oral forms.
Zinc Bisglycinate
Glycine-chelated zinc — high absorption and very gentle on the stomach.
Liposomal Glutathione
Phospholipid-encapsulated GSH — protects from gut breakdown for systemic delivery.
Chinese Skullcap
Flavonoid-rich root used for anxiety and inflammation.
Pine Pollen
Phyto-androgen pollen containing trace testosterone and DHEA.
Thymulin (Reference)
Zinc-dependent thymic peptide that matures T-cells.
Topical Saw Palmetto
Topical lotion form for androgenetic alopecia.
Calcium AEP (Membrane Calcium)
Cell-membrane-targeted form of calcium claimed for autoimmune support.
Fadogia Agrestis
African shrub touted for testosterone (rodent data only).
Fadogia Agrestis
African shrub popularized for testosterone; limited human data and toxicology concerns.