forum thread Posted by offbeat • 2d ago
Jul 6, 2025 9:10 PM
forum thread Posted by offbeat • 2d ago
Jul 6, 2025 9:10 PM
Magnesium L-Threonate, 2000 mg (135 count) $26.99 Costco B&M
Costco Wholesale
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Heads up:
Sports Research Magtein Magnesium L-Threonate, 2000 mg, 135 Veggie Capsules
rung up $33.99 (local B&M warehouse), minus promo -$7.00 (valid through 7/20)
= $26.99 + tax
Compare:
Costco Online shows MSRP $37.99 - 7.00 = 30.99
https://www.costco.com/sports-res...17780.htm
Costco via Instacart shows $36.69 - 7.00 = 29.69
https://sameday.costco.
Sports Research Magtein Magnesium L-Threonate, 2000 mg, 135 Veggie Capsules
rung up $33.99 (local B&M warehouse), minus promo -$7.00 (valid through 7/20)
= $26.99 + tax
Compare:
Costco Online shows MSRP $37.99 - 7.00 = 30.99
https://www.costco.com/sports-res...17780.htm
Costco via Instacart shows $36.69 - 7.00 = 29.69
https://sameday.costco.
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Heads up:
Sports Research Magtein Magnesium L-Threonate, 2000 mg, 135 Veggie Capsules
rung up $33.99 (local B&M warehouse), minus promo -$7.00 (valid through 7/20)
= $26.99 + tax
Compare:
Costco Online shows MSRP $37.99 - 7.00 = 30.99
https://www.costco.com/sports-res...17780.htm
Costco via Instacart shows $36.69 - 7.00 = 29.69
https://sameday.costco.
Sports Research Magtein Magnesium L-Threonate, 2000 mg, 135 Veggie Capsules
rung up $33.99 (local B&M warehouse), minus promo -$7.00 (valid through 7/20)
= $26.99 + tax
Compare:
Costco Online shows MSRP $37.99 - 7.00 = 30.99
https://www.costco.com/sports-res...17780.htm
Costco via Instacart shows $36.69 - 7.00 = 29.69
https://sameday.costco.
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6 Comments
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L-Threonate is sleep enhancement instead of melotanin for some
https://ai.hubermanlab.
Threonate crosses blood/brain barrier, able to be absorbed by neural tissue. Used for sleep/neural performance.
Source: Huberman Lab podcast
Saw this populate from Google Assist:
Overview of Magnesium Threonate and Glycinate
Magnesium threonate and magnesium glycinate are two popular forms of magnesium supplements, each with unique benefits and uses.
Magnesium Threonate
Best Use: Primarily supports brain health and cognitive function.
Absorption: Easily crosses the blood-brain barrier, enhancing magnesium levels in brain cells.
Benefits:
May improve memory, learning, and attention.
Helps with sleep by calming the mind.
Recommended Timing: Best taken in the evening to aid sleep and cognitive enhancement.
Magnesium Glycinate
Best Use: Effective for resolving magnesium deficiencies and promoting overall health.
Absorption: Highly bioavailable, meaning it is easily absorbed by the body.
Benefits:
Supports sleep quality and reduces anxiety.
May help regulate blood sugar and improve mood.
Recommended Timing: Can be taken any time of day, often in the evening for sleep support.
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