2026 Sports Nutrition Editorial Directory • FTC 16 CFR § 255
Sleep claims in athletic nutrition often conflate preliminary ingredient research with promises about specific commercial blends. Below is an evidence-based comparison of magnesium forms, verified catalog options, and non-pharmacological sleep hygiene limits.
Side-by-side facts
Compare declared chemical forms, elemental magnesium yields, and merchant verification status.
| Product & Variant | Active Ingredient | Serving & Package | Evidence & Notes | Retail Status / Action |
|---|---|---|---|---|
| Thorne Thorne Magnesium Bisglycinate Powder Powder, 60 servings (citrus or unflavored) | Magnesium Bisglycinate Chelate (200 mg elemental Mg) | 1 scoop (approx 4 g) • 200 mg elemental magnesium | NSF Certified for Sport line item. Chelation with glycine enhances intestinal tolerability compared to magnesium oxide. | Check on Amazon →
Amazon.com • Affiliate link
|
| Doctor's Best Doctor's Best High Absorption Magnesium 100 mg per tablet, 240 tablets | Magnesium Glycinate Lysinate Chelate (TRAACS) | 2 tablets • 200 mg elemental magnesium • 120 servings | Chelated magnesium formulation. Retained for informational comparison only; purchase link remains disabled pending confirmed US offer and attribution verification. |
Purchase link not yet verified
Merchant check pending |
| Botanical Specification Tart Cherry Extract Benchmark Standardized Montmorency cherry extract | Phytochemical anthocyanins & natural melatonin precursors | Typically 480 mg to 1,000 mg extract | Small randomized athletic trials suggest modest attenuation of post-exercise muscle soreness and minor sleep-efficiency shifts; not a medical insomnia treatment. | Informational reference |
Powder, 60 servings (citrus or unflavored)
NSF Certified for Sport line item. Chelation with glycine enhances intestinal tolerability compared to magnesium oxide.
100 mg per tablet, 240 tablets
Chelated magnesium formulation. Retained for informational comparison only; purchase link remains disabled pending confirmed US offer and attribution verification.
Standardized Montmorency cherry extract
Small randomized athletic trials suggest modest attenuation of post-exercise muscle soreness and minor sleep-efficiency shifts; not a medical insomnia treatment.
Catalog facts, not rankings
These are verified label and catalog facts for comparison. A card is not a clinical endorsement or a guarantee of current seller, stock, or price.
A fully reacted magnesium bisglycinate chelate providing 200 mg of elemental magnesium per scoop. Editorially evaluated for muscular relaxation and electrolyte balance, not as a prescription insomnia remedy.
Active Amazon listing; verify the offer at checkout
TRAACS chelated magnesium tablets providing 100 mg elemental magnesium per tablet. Retained as an informational benchmark; purchase CTA is disabled pending verified merchant and tracking approval.
Informational comparison only (Purchase link not yet verified)
Difficulty falling asleep (sleep onset latency), nighttime awakenings (sleep fragmentation), and circadian rhythm shifts require fundamentally different solutions. The National Center for Complementary and Integrative Health (NCCIH) notes that Cognitive Behavioral Therapy for Insomnia (CBT-I) is the first-line standard for chronic insomnia.
Dietary supplements cannot cure sleep apnea, chronic insomnia, or restless legs syndrome. For athletes, optimizing bedroom light exposure, temperature, and consistent training-recovery schedules produces far greater sleep architecture changes than isolated compounds.
A supplement label stating "1,000 mg Magnesium Glycinate" often contains only 100 mg to 140 mg of actual elemental magnesium, with the remainder consisting of the bound glycine amino acid. Look for the quantity of elemental magnesium explicitly listed in the Supplement Facts box.
Magnesium bisglycinate and magnesium malate demonstrate superior gastrointestinal tolerability compared to poorly absorbed inorganic forms like magnesium oxide, which frequently induce loose stools at higher doses.
Supplemental magnesium is excreted through the kidneys. Individuals with renal impairment must avoid high-dose magnesium supplementation due to the risk of hypermagnesemia.
Magnesium can also bind to certain prescription antibiotics (such as tetracyclines and fluoroquinolones) and bisphosphonates, reducing their absorption if taken simultaneously. Always consult your prescribing physician before adding mineral supplements to your regimen.
In-depth reading
Explore dedicated guides for specific training goals, ingredient dosages, and ingredient checklists.
In-depth analysis of glycinate, threonate, and citrate forms for neuromuscular recovery and sleep quality.
Comprehensive review of recovery nighttime stacks, GABA, tart cherry, and growth hormone sleep phases.
Interactive timing engine calculating optimal supplement intake windows around your training session and bedtime.