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)

Sleep Thermoregulation & Collagen Synthesis DSLD #330955

Bulksupplements.com Glycine

Verified against federal label #330955, Bulksupplements.com Glycine delivers Glycine via powder dosing ($13.02/mo benchmark) to support sleep thermoregulation & collagen synthesis physiology.

Typical: Daily powder intake of Bulksupplements.com Glycine with food (Label #330955) ~$13/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #14922

L-Glycine Powder & Capsules

Inhibitory neurotransmitter and structural collagen amino acid shown in human polysomnography studies to accelerate sleep onset via peripheral vasodilation and core body temperature lowering.

Typical: 3 g dissolved in water 30–60 minutes before sleep ~$14/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #24870

Metabolic Maintenance Glycine Sticks

Cataloged in the federal NIH DSLD registry under ID #24870, Metabolic Maintenance Glycine Sticks provides Glycine (Glycine Note: USP) in a powder matrix. Designed for sleep thermoregulation & collagen synthesis maintenance, it pairs label-verified composition with a 79% community rating.

Typical: Daily powder intake of Metabolic Maintenance Glycine Sticks with food (Label #24870) ~$18/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #53450

Now Glycine

Under NIH Dietary Supplement Label Database record #53450, Now Glycine (powder) combines Glycine (Glycine Note: (free-form) (3,000 mg)) for targeted glycine repletion inside the Sleep Thermoregulation & Collagen Synthesis spectrum.

Typical: 1–2 powders of Now Glycine daily per DSLD #53450 panel ~$17/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #314374

Now Glycine (Powder #314374)

Verified against federal label #314374, Now Glycine (Powder #314374) delivers Glycine ((free-form) (3,000 mg)) via powder dosing ($11.90/mo benchmark) to support sleep thermoregulation & collagen synthesis physiology.

Typical: Daily powder intake of Now Glycine (Powder #314374) with food (Label #314374) ~$12/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #277695

Pure Encapsulations Glycine

Within Sleep Thermoregulation & Collagen Synthesis, Pure Encapsulations Glycine (NIH DSLD Label #277695; Pure Encapsulations) furnishes Glycine, hypoallergenic Plant Fiber, Ascorbyl Palmitate (Glycine Note: free-form) in capsule form for structured daily supplementation.

Typical: Manufacturer-listed Pure Encapsulations Glycine capsule unit dose (#277695) ~$14/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #72838

Source Naturals Glycine

Formulated by Source Naturals (NIH DSLD #72838), Source Naturals Glycine supplies Glycine as an oral capsule. Utilized across sleep disorders regimens, typical monthly outlay averages $13.44.

Typical: Manufacturer-listed Source Naturals Glycine capsule unit dose (#72838) ~$13/mo

Sleep Thermoregulation & Collagen Synthesis DSLD #332368

Supersmart Glycine

Supersmart Glycine is an NIH Office of Dietary Supplements DSLD-listed powder product (Label #332368) delivering L-Glycine within Sleep Thermoregulation & Collagen Synthesis. Clinical nutrition protocols deploy this Supersmart formulation at ~$16.10/month for sleep disorders support.

Typical: Standard Supersmart Glycine powder serving per NIH DSLD #332368 ~$16/mo