The Magnesium That Actually Reaches Your Brain
Magnesium Complete combines four clinically studied forms, including the full 2,000mg dose of L-Threonate, to support deeper sleep, a steadier heart, sharper focus and all-day energy.

Start With the One Your Brain & Heart Needs

Magnesium Complete™
Sleep, heart, clarity and energy support from one daily formula.
- Four forms of magnesium plus active vitamin B6 (P-5-P)
- 2,000mg L-Threonate, the dose used in published research
- 298mg elemental magnesium, 71% of your Daily Value
- Fully chelated and gentle, with zero magnesium oxide
- Free gifts and free shipping on bundles
Most Magnesium Never Reaches Your Brain.
The blood-brain barrier is a checkpoint. Glycinate, citrate, oxide and malate mostly get stopped at the gate. Your muscles feel better, but everything on the other side of that wall stays exactly where it was.
L-Threonate is the one form with published human data showing it gets through. Magnesium Complete is built around it, at the full clinical dose.
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Your nervous system needs magnesium to make the GABA that switches your brain off at night.
Magnesium helps pace your heartbeat and lets blood vessels relax.
Your brain runs on magnesium-dependent synapses. Run low and the signal gets noisy.
One Formula. Four Jobs.
Each form was chosen for a specific system, at the dose the research actually used.
Magnesium Complete vs. Typical Magnesium
Real People. Real Results.
"I'm 62. I knew I was sharper five years ago."
Forgetting names. Losing my car in parking lots. Six weeks in, I remembered my new neighbour's name, her husband's name and what she does for work, three days after meeting her. I stopped losing more.

"Oura sleep score went 68 to 86 in 18 days."
My score had been stuck in the mid-60s for months despite a perfect routine. Day 4 was my first night of deep sleep over 1hr 40min. This is the first magnesium that made my brain feel different, not just my muscles.

"My wife noticed before I did."
Dad of three, waking at 3AM every night for over a year. Melatonin, cheap glycinate, gummies, none of it moved. Night five was the first time I slept through. By week three my wife said I seemed like a different person.

Supplements Built the Way They Should Be
Every ingredient at the dose the research used, not a sprinkle for the label.
Independently tested for purity and potency, batch after batch.
No oxide, no fillers, no mystery blends. Every dose printed on the label.
Dispatched from our US warehouse. Order today for delivery by .

Try It Risk-Free
If you're not completely satisfied within 30 days, contact us for a full refund, no questions asked. Bundles extend it to 60 or 90 days. You don't even need to send the bottles back.
Start Risk-Free →Questions, Answered
Most magnesium uses one form, which saturates a single absorption route and rarely reaches the brain. Magnesium Complete combines four forms, including 2,000mg of L-Threonate, the form studied for crossing the blood-brain barrier, plus active B6 to help your body put it to work.
Take 4 capsules daily with water, preferably with food. Take them together or split them across the day, whichever fits your routine. Consistent daily use gives the best results.
Most customers report better sleep within 7 to 14 days, with clarity and energy building over the following weeks. Individual results vary.
Subscribe & Save gives you the lowest price, free shipping and free gifts on bundles, with refills every 4 weeks. You can stop or cancel anytime from your subscription portal. One-time purchases are also available.
30 days on a single bottle, 60 days on the 2-bottle bundle and 90 days on the 3-bottle bundle. If you're not satisfied, contact us for a full refund. No need to return the bottles.
Orders ship from our US warehouse. Order today and it should arrive by . You can follow your order anytime on our tracking page.
Sleep Deeper. Think Clearer.
Four clinically studied forms of magnesium, one daily formula, and a guarantee that puts the risk on us.
Shop Magnesium Complete →Questions About Your Order?
Our support team can help with orders, subscriptions and shipping. You can also email us at support@goldsealsupplements.com.




