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Costco Members: Magnesium Supplements on Sale $15-$23 through Jan. 19, 2026
Costco Wholesale
Costco WholesaleDeal Details
Costco.com offers its members several Magnesium supplements on sale.
Valid through Jan. 19, 2026
Health benefits vary depending on the kind of magnesium, but magnesium may help with relaxation, bone health, muscle function, nerve health, constipation, heart health, mood, and sleep.
- Kirkland Signature Calcium Citrate, Magnesium and Zinc Tablets [costco.com], 500 Tablets, $14.49, reg. $16.99
- Nature Made Extra Strength Magnesium Softgels [costco.com], 400 mg., 180 Softgels, $16.49, reg. $19.99
- Qunol Magnesium Extra Strength Gummies [costco.com] 250 mg, 150 Gummies, $18.99, reg. $23.99
- trunature Magnesium Nighttime Powder [costco.com], 636 Grams, Melatonin, L-Theanine & Goba, 22.4 oz, $23.99, reg. $29.99
- Natural Vitality Calm Magnesium Citrate Gummies [costco.com], 240 Gummies, raspberry lemon flavor, $25.99, reg. $32.99
- Natural Vitality Calm Magnesium Citrate Powder [costco.com], 20 Ounces, raspberry lemon flavor drink mix, $22.99, reg. $27.99
Valid through Jan. 19, 2026
Health benefits vary depending on the kind of magnesium, but magnesium may help with relaxation, bone health, muscle function, nerve health, constipation, heart health, mood, and sleep.
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Community Notes
About the Poster
Costco.com offers its members several Magnesium supplements on sale.
Valid through Jan. 19, 2026
Health benefits vary depending on the kind of magnesium, but magnesium may help with relaxation, bone health, muscle function, nerve health, constipation, heart health, mood, and sleep.
- Kirkland Signature Calcium Citrate, Magnesium and Zinc Tablets [costco.com], 500 Tablets, $14.49, reg. $16.99
- Nature Made Extra Strength Magnesium Softgels [costco.com], 400 mg., 180 Softgels, $16.49, reg. $19.99
- Qunol Magnesium Extra Strength Gummies [costco.com] 250 mg, 150 Gummies, $18.99, reg. $23.99
- trunature Magnesium Nighttime Powder [costco.com], 636 Grams, Melatonin, L-Theanine & Goba, 22.4 oz, $23.99, reg. $29.99
- Natural Vitality Calm Magnesium Citrate Gummies [costco.com], 240 Gummies, raspberry lemon flavor, $25.99, reg. $32.99
- Natural Vitality Calm Magnesium Citrate Powder [costco.com], 20 Ounces, raspberry lemon flavor drink mix, $22.99, reg. $27.99
Valid through Jan. 19, 2026
Health benefits vary depending on the kind of magnesium, but magnesium may help with relaxation, bone health, muscle function, nerve health, constipation, heart health, mood, and sleep.
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