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MINERALS

Magnesium (bisglycinate, buffered)

Magnesium bisglycinate is a gentle form of magnesium that supports relaxation, sleep and muscle function.

Also known as: magnesium supplement, Mg, magnesium glycinate, magnesium bisglycinate chelate, chelated magnesium, Magnesium bisglycinate, buffered

Who should be careful

Our safety rules leave magnesium out of a formula, or keep the amount lower, with:

Medicines and supplements

• Phosphate binder

Procedures

• Dialysis

Health conditions

• Chronic kidney disease
• Advanced kidney disease

Always check with your doctor or pharmacist before adding a supplement if you take medication, are pregnant or nursing, or have a health condition. Stay under the upper limit from all sources combined, including multivitamins.

Other forms of magnesium

• Magnesium malate

  Magnesium malate pairs magnesium with malic acid to support energy production and muscle function.

• Magnesium citrate

  Magnesium citrate supports muscle and nerve function, healthy energy levels and regularity.

• Magnesium L-threonate

  Magnesium L-threonate is a form of magnesium that supports memory, learning and restful sleep.

• Magnesium oxide

  Magnesium oxide is a concentrated source of magnesium that supports muscle and nerve function.

• Magnesium taurinate

  Magnesium taurinate pairs magnesium with taurine to support heart health and a calm nervous system.

Compare every form of magnesium

Symptoms it’s studied for

• Tired or low energy
• Afternoon crash
• Brain fog or poor focus
• Poor sleep
• Anxious or stressed
• Bloating or gas
• Constipation or irregularity
• Joint aches or stiffness
• Catching every cold
• Hair shedding
• Skin issues (acne, dry, eczema)
• Muscle cramps or twitches
• PMS or cycle symptoms
• Hot flashes or night sweats
• Low libido
• Sugar cravings

From the Journal

• Are personalized vitamins worth it? Personalized blend vs a multivitamin

  What a standard multivitamin does well, where it falls short, what research says about personalized nutrition, and how to tell whether a personalized blend makes sense for you.

• Magnesium glycinate vs citrate vs oxide: which form should you take?

  Glycinate, citrate, oxide, malate, threonate and taurate compared on magnesium content, absorption, gut comfort and capsule space, plus the 350 mg supplement limit and medicine timing.

• Which supplements interact with common medications?

  The best-documented supplement and medicine interactions, from vitamin K and warfarin to St. John's wort, minerals and thyroid medicine, and 5-HTP with SSRIs.

• Which blood tests should you check before taking supplements?

  The blood tests that can usefully guide supplements, what each one can and can't tell you, and when to recheck after you change what you take.

• How many supplement pills a day is too many?

  Why adherence drops as daily doses and pill counts rise, how separate bottles double up on the same nutrients and push past upper limits, and how to simplify a supplement routine safely.

• Which supplements help you sleep? What the research shows

  Magnesium, L-theanine, melatonin, saffron, glycine and tart cherry: what the trials found, the doses studied, and when poor sleep is a reason to see a doctor instead.

Questions

How much magnesium a day?

apiece formulas usually include 350 mg a day. The recommended intake for adults is 310–320 mg (women), 400–420 mg (men). Upper limit: 350 mg a day from supplements (food not counted).

What is magnesium used for?

Magnesium bisglycinate is a gentle form of magnesium that supports relaxation, sleep and muscle function. In apiece it is part of formulas for Relaxation, Stress & resilience, Muscle & recovery.*

Who should be careful with magnesium?

apiece’s safety rules leave it out or limit it with: Phosphate binder; Dialysis; Chronic kidney disease; Advanced kidney disease. Check with your doctor or pharmacist if any apply to you.

Can I get magnesium in a personalized supplement?

Yes. apiece builds one daily blend around your goals and, if you have them, your lab results. Magnesium can be part of it at the amount listed, with every ingredient shown and never more than 10 capsules a day.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is general information, not medical advice. Check with your doctor or pharmacist before starting a supplement, especially if you take medication, are pregnant or nursing, or have a health condition. Updated 2026-10-21.