Natural Factors Natural Factors - Magnesium Bisglycinate Elemental 400mg, 230 g
Natural Factors Magnesium Bisglycinate Elemental 400mg - Provides 400 mg of elemental magnesium in a highly absorbable and easy-to-mix powdered form. Magnesium helps maintain proper muscle function, including the heart muscle. It also supports energy metabolism and helps in the development and maintenance of bones and teeth. This non-GMO, vegan-friendly powder is gentle on the stomach and does not rely on stomach acid for absorption. Simply mix one serving into water daily.
Price
Regular Canadian retail price: $34.98 CAD. Price Vault members pay below retail on this product. Member pricing is private and shown after a free opt-in, with no membership fee, no minimum order and no subscription.
In stock. Free shipping across Canada on orders over $89, flat $9.95 under that. 30 days to request a return, with return shipping paid by the customer. Ships from Victoria, BC.
See member pricing on Natural Factors Natural Factors - Magnesium Bisglycinate Elemental 400mg
Why people keep reordering it
- Adaptogen support
- Herbs traditionally used to help the body adapt to everyday stress.
- Steady energy
- Supports balanced energy without the spike and the crash.
- Calm focus
- Helps you stay even through demanding days.
Best suited to: wants a real 400 mg without swallowing capsules, loose stools from citrate or oxide magnesium, wants to adjust the dose by feel, low stomach acid.
What the research supports
One 4.8 g scoop dissolves into 400 mg of elemental magnesium as fully chelated bisglycinate, with citric acid the only other ingredient. One scoop a day, or half twice.
Studies use 200 to 400 mg a day.
- Muscle cramps (evidence: moderate, from randomized controlled trial, meta-analysis)
- Muscles need magnesium to relax once they've contracted; run short and they stay tense and twitch. Trials testing cramp frequency commonly use 300 to 400 mg of elemental magnesium a day.
- Sleep quality (evidence: mixed, from randomized controlled trial)
- Magnesium quiets nervous system activity as bedtime approaches. Trials at 300 to 500 mg report modest gains in rated sleep quality, though the effect is inconsistent and largest in older adults with low intake.
- Energy (evidence: strong, from mechanistic, human physiology)
- Your cells cannot pull energy out of food without magnesium; it's a required cofactor for the enzymes that run that process. Run low and you can eat well and still feel flat.
- Absorption (evidence: moderate, from randomized controlled trial, meta-analysis)
- Bisglycinate rides into the gut on amino acid transporters instead of depending on stomach acid, which is why chelated glycinate magnesium shows higher absorption and fewer digestive complaints than oxide in human studies.
Read the literature: Muscle cramps on PubMed, Sleep quality on PubMed, Energy on PubMed, Absorption on PubMed.
Is it right for you
Worth it if
- Wants a real 400 mg without swallowing capsules
- One scoop in water is the whole daily requirement, where a 100 mg capsule product would take four.
- Loose stools from citrate or oxide magnesium
- This is non-buffered bisglycinate, so no part of the 400 mg comes from oxide and the glycine chelate is absorbed intact.
- Wants to adjust the dose by feel
- Powder lets you take half a scoop for 200 mg or a full one for 400 mg, which a fixed capsule cannot do.
- Low stomach acid
- Bisglycinate is taken up on the amino acid pathway rather than needing stomach acid to free the mineral first.
Look elsewhere if
- Someone using magnesium to keep things moving
- Citrate or oxide is far more effective for that, precisely because the poorly absorbed forms are the ones that pull water into the gut.
- Anyone who will not drink an unflavoured tart powder daily
- A bisglycinate capsule gives the same form with no mixing, at the cost of taking two to four capsules to reach the same 400 mg.
- Anyone with reduced kidney function
- Magnesium clearance depends on the kidneys, so a 400 mg daily dose in any form should be reviewed with a practitioner first.
What to expect
Nothing dramatic on day one. If you have been running low, muscle twitching and night cramps usually settle over one to three weeks of daily use, and sleep tends to get steadier across the same window rather than the first night. Evening is the common time to take it for that reason.
How it compares
- Compared with magnesium oxide tablets
- Bisglycinate is absorbed several times more completely and carries none of oxide's laxative pull, so the 400 mg on the label is much closer to the 400 mg you actually take up. The tradeoff: Considerably more expensive per milligram of elemental magnesium.
- Compared with a buffered bisglycinate capsule
- Nothing here is buffered with oxide, so the entire 400 mg comes from the chelated form, and one scoop replaces four capsules. The tradeoff: You have to mix it into 250 mL of water every day, and with only citric acid for company it tastes tart.
Product details
- Active ingredient
- Magnesium (bisglycinate)
- Ingredient form
- g
- Strength
- 400 mg
- Suggested use
- 1 serving (1 scoop) once daily. Alternatively, if a smaller dose is desired, take ½ serving (½ scoop), 1–2 times daily, or as directed by a health care practitioner. Mix well in 250 mL of water until fully dissolved.
- Country of manufacture
- Canada
- Independent testing
- ISURA
- Certifications
- Non-GMO, Made in Canada
- Storage
- Store in a cool, dry place
- Brand
- Natural Factors
How to take it
1 serving (1 scoop) once daily. Alternatively, if a smaller dose is desired, take ½ serving (½ scoop), 1–2 times daily, or as directed by a health care practitioner. Mix well in 250 mL of water until fully dissolved.
- Store in a cool, dry place away from direct light.
- Keep out of reach of children.
- Consult a practitioner if you are pregnant, nursing or on medication.
Ingredients
Each serving (4.8 g) contains
- Magnesium (bisglycinate)
- 400 mg Non-buffered, fully-chelated
Non-medicinal ingredients
Citric acid
Free from
Contains no artificial colours, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or genetically modified genes or proteins. Suitable for vegetarians/vegans.
Interactions and cautions
- Medications
- May interact with thyroid, sedative or immune medication. Review with your practitioner.
- Timing
- Separate from medications by 2 to 4 hours unless directed otherwise by a healthcare practitioner.
- Pregnancy and breastfeeding
- Consult a healthcare practitioner before use if pregnant or breastfeeding.
- General
- Use only as directed. Discontinue and consult a practitioner if you experience an adverse reaction.
This product is not intended to diagnose, treat, cure or prevent disease. Consult a healthcare practitioner before use. Free certified advisors are available at 1-888-386-1211, Mon to Fri, 9am to 5pm PT.
Questions about Natural Factors - Magnesium Bisglycinate Elemental 400mg
- Is this the genuine, authentic product?
- Yes. It is identical to what you would pay full price for anywhere else, sourced through our authorized supplier relationships.
- How is the price below retail?
- We buy direct, with nobody in the middle taking a cut, and we sell it for close to what we paid. You see the price privately because you have unlocked the Vault.
- How fast does it ship?
- Orders placed before 12pm PT are processed the same day and ship within two business days. Shipping is free over $89, and a flat $9.95 under that.
- Can I return it?
- You have 30 days after it arrives to request a return. Product must be unused, in its original packaging, with proof of purchase, and return shipping is paid by you. Find it cheaper anywhere in Canada and we will match the price.