NIH Office of Dietary Supplements (DSLD v9) • Drug-Supplement Interactions

Dietary Supplements, Vitamins & Peptides (585)

Evidence-based guides to active ingredients, clinical trial dosages, prescription drug interactions (CYP450, bleeding, and absorption pathways), and anonymous patient micro-logs.

All Categories Neurotrophic B-Vitamins & Methylation (20) Essential Minerals & Electrolytes (17) Fat-Soluble Vitamins & Bone Health (17) Joint Cartilage & Mobility (16) Seasonal Immune Botanicals (16) Joint & Systemic Inflammation (10) Neuropathy & Glycemic Antioxidants (10) Cognitive Focus & Calm (10) Adaptogens & Stress Resilience (10) Mast-Cell, Allergy & Senolytic Flavonoids (10) Hepatoprotective Botanicals (9) NIH DSLD Cordyceps Formulations (9) NIH DSLD Manganese Formulations (9) Neuronal Membrane Phospholipids (9) NIH DSLD Copper Formulations (9) Mitochondrial & Cardiovascular (9) Sleep & Circadian Chronobiotics (9) NIH DSLD Boron Formulations (9) Stress & Autonomic Relaxation (9) Muscle, Longevity & Neuroenergetics (9) Cardiometabolic Lipids (9) Essential Minerals & Immune Defense (9) Microbiome & Gut Barrier (9) Polyphenols & Vascular Longevity (9) Thyroid & Prenatal Trace Minerals (9) Sleep Thermoregulation & Collagen Synthesis (8) NIH DSLD Molybdenum Formulations (8) NIH DSLD Betaine HCl Formulations (8) Serotonergic Precursors (Interaction Alert) (8) Joint & Mucosal 5-LOX Botanicals (8) Hematology & Oxygen Transport (8) Vascular Endothelial Amino Acids (8) Botanical Sleep Support (8) Urology & Prostate Health (8) PCOS, Fertility & Insulin Signaling (8) Cellular NAD+ & Mitochondrial Longevity (8) Cardiometabolic & Osmolyte Amino Acids (8) Cellular Detox & Redox (8) Dermatology, Tendon & Joint Matrix (8) Metabolic & Glycemic Botanicals (8) NIH DSLD Garlic Formulations (8) Ophthalmology & Macular Pigment (8) Thyroid & Redox Trace Minerals (8) Adaptogens & Mental Stamina (8) Collagen, Iron Uptake & Antioxidant (8) NIH DSLD Niacinamide Formulations (7) Vascular Endothelial & Exercise Performance (7) NIH DSLD Electrolytes Formulations (7) NIH DSLD Pantothenic Acid Formulations (7) NIH DSLD Beet Root Formulations (7) NIH DSLD Biotin Formulations (7) Cerebral Microcirculation & Tinnitus (7) Metabolic Trace Minerals (7) Vascular Calcification & Bone Matrix (7) NIH DSLD Vitamin A Formulations (7) Mitochondrial Fatty-Acid & Neuro-Support (7) Neurotrophic Medicinal Mushrooms (7) NIH DSLD Green Tea Extract Formulations (7) Mood Botanicals (High Interaction Alert) (6) NIH DSLD Cranberry Formulations (6) NIH DSLD Digestive Enzymes Formulations (6) Soluble Prebiotic Fiber & LDL Lowering (6) NIH DSLD Reishi Formulations (6) Antioxidants, Hepatic & Respiratory (6) NIH DSLD Hyaluronic Acid Formulations (5) NIH DSLD Vitamin B6 Formulations (5) NIH DSLD Vitamin E Formulations (5) Investigational Peptides & Tissue Repair (2) Endocrine & Visceral Adiposity Peptides (1) Bile Acids & Cholestatic Hepatoprotection (1) Sexual Health & Melanocortin Peptides (1) Dermal UV, Ocular & Lipid Carotenoids (1) TCA Cycle & Epigenetic Longevity (1) Mitochondrial Mitophagy & Longevity (1) Dermatology & Hair Peptides (1) Endocrine & Growth-Hormone Secretagogues (1) Nrf2 Cellular Detox & Antioxidant Defense (1) Autophagy & Cellular Longevity (1)

Cognitive Focus & Calm DSLD #203845

Bluebonnet L-Theanine 200 Mg

Within Cognitive Focus & Calm, Bluebonnet L-Theanine 200 Mg (NIH DSLD Label #203845; Bluebonnet) furnishes L-Theanine (L-Theanine Note: free-form) in capsule form for structured daily supplementation.

Typical: Manufacturer-listed Bluebonnet L-Theanine 200 Mg capsule unit dose (#203845) ~$15/mo

Cognitive Focus & Calm DSLD #203818

Bluebonnet L-Theanine 200 Mg (Capsule #203818)

Bluebonnet L-Theanine 200 Mg (Capsule #203818) (DSLD #203818) represents an on-market capsule preparation containing L-Theanine (L-Theanine Note: free-form), evaluated in adhd & focus and cognitive focus & calm nutritional protocols.

Typical: Standard Bluebonnet L-Theanine 200 Mg (Capsule #203818) capsule serving per NIH DSLD #203818 ~$16/mo

Cognitive Focus & Calm DSLD #337162

DR. Berg L-Theanine

DR. Berg L-Theanine is an NIH Office of Dietary Supplements DSLD-listed capsule product (Label #337162) delivering Zinc, Copper, Manganese within Cognitive Focus & Calm. Clinical nutrition protocols deploy this DR. Berg formulation at ~$13.60/month for adhd & focus support.

Typical: Standard DR. Berg L-Theanine capsule serving per NIH DSLD #337162 ~$14/mo

Cognitive Focus & Calm DSLD #269118

Healthy Origins L-Theanine 100 Mg

Verified against federal label #269118, Healthy Origins L-Theanine 100 Mg delivers L-Theanine (L-Theanine (Alt. Name: AlphaWave) Note: Standardized to 98% pure L-Theanine by HPLC) via capsule dosing ($18.72/mo benchmark) to support cognitive focus & calm physiology.

Typical: Daily capsule intake of Healthy Origins L-Theanine 100 Mg with food (Label #269118) ~$19/mo

Cognitive Focus & Calm DSLD #268858

Healthy Origins L-Theanine 100 Mg (Capsule #268858)

Cataloged in the federal NIH DSLD registry under ID #268858, Healthy Origins L-Theanine 100 Mg (Capsule #268858) provides L-Theanine (L-Theanine (Alt. Name: AlphaWave) Note: Standardized to 98% pure L-Theanine by HPLC) in a capsule matrix. Designed for cognitive focus & calm maintenance, it pairs label-verified composition with a 85% community rating.

Typical: Daily capsule intake of Healthy Origins L-Theanine 100 Mg (Capsule #268858) with food (Label #268858) ~$17/mo

Cognitive Focus & Calm DSLD #263070

L-Theanine (Suntheanine Green Tea Amino Acid)

Non-proteinogenic Camellia sinensis amino acid promoting wakeful alpha-wave (8–12 Hz) cortical relaxation without sedation and smoothing caffeine-induced jitteriness.

Typical: 100 mg – 200 mg as needed or paired 2:1 with caffeine ~$16/mo

Cognitive Focus & Calm DSLD #310543

Sports Research L-Theanine + Caffeine

Under NIH Dietary Supplement Label Database record #310543, Sports Research L-Theanine + Caffeine (softgel capsule) combines Total Fat, Saturated Fat, Medium Chain Triglyceride Oil (Organic) for targeted l-theanine repletion inside the Cognitive Focus & Calm spectrum.

Typical: 1–2 softgel capsules of Sports Research L-Theanine + Caffeine daily per DSLD #310543 panel ~$16/mo

Cognitive Focus & Calm DSLD #326262

Sports Research L-Theanine 200 Mg

Verified against federal label #326262, Sports Research L-Theanine 200 Mg delivers Suntheanine, Coconut Oil, Virgin, Beeswax via softgel capsule dosing ($15.84/mo benchmark) to support cognitive focus & calm physiology.

Typical: Daily softgel capsule intake of Sports Research L-Theanine 200 Mg with food (Label #326262) ~$16/mo

Cognitive Focus & Calm DSLD #29356

Vitaceutical Labs L-Theanine 200 Mg

Vitaceutical Labs L-Theanine 200 Mg (DSLD #29356) represents an on-market capsule preparation containing L-Theanine, Rice Bran, Beet (L-Theanine (Form: from green tea PlantPart: leaves)), evaluated in adhd & focus and cognitive focus & calm nutritional protocols.

Typical: Standard Vitaceutical Labs L-Theanine 200 Mg capsule serving per NIH DSLD #29356 ~$15/mo

Cognitive Focus & Calm DSLD #303742

Xymogen L-Theanine

Under NIH Dietary Supplement Label Database record #303742, Xymogen L-Theanine (capsule) combines Suntheanine for targeted l-theanine repletion inside the Cognitive Focus & Calm spectrum.

Typical: 1–2 capsules of Xymogen L-Theanine daily per DSLD #303742 panel ~$19/mo