Life Extension Neuro-Mag Magnesium L-Threonate, 2,000 mg (Pakistan Market)

A Flavonoid Already in Your Diet, Now at a Concentrated Dose

Quercetin is a flavonoid naturally found in red onions, apples, red grape skins, and a range of other fruits and vegetables — a genuinely common dietary compound, just delivered here at a concentrated 250mg dose rather than relying on how much makes it into your regular meals. This formula is built around what Life Extension calls an Optimized Quercetin Food Blend, combining quercetin dihydrate with extracts from onion, apple, buckwheat sprout, and bitter orange (providing additional bioflavonoids) — a whole-food-sourced approach rather than a single isolated compound alone.

What Quercetin Is Studied For

Quercetin is associated with encouraging healthy nitric oxide levels (relevant to blood vessel function), supporting blood pressure already within a healthy range, and helping maintain cholesterol levels already within normal range, alongside broader antioxidant and immune-supportive properties. As with any supplement in this category, these are general wellness associations, not clinical treatment claims.

Camu-Camu: A Natural Vitamin C Source

Rather than using synthetic ascorbic acid alone, this formula includes camu-camu berry extract (a wildcrafted Amazonian fruit genuinely known for exceptionally high natural Vitamin C content) alongside ascorbic acid, delivering 30mg of Vitamin C total — included specifically because Vitamin C and quercetin are understood to work synergistically together in supporting antioxidant activity.

A Small Amount of Bitter Orange, Worth Knowing About

The food blend includes bitter orange (peel and fruit) as a bioflavonoid source. Bitter orange is also the source of synephrine, a compound with mild stimulant properties in more concentrated extracts used elsewhere in the supplement world. The amount here is included specifically as a bioflavonoid contributor rather than a concentrated stimulant extract, but if you're sensitive to stimulants or have a cardiovascular condition, it's worth being aware this ingredient is present in the blend.

A Genuine Consideration for Anyone on Multiple Medications

Quercetin has documented associations with affecting certain liver enzymes (part of the CYP450 family) involved in how the body processes many medications. This means quercetin could theoretically affect blood levels of certain drugs metabolized through these same pathways. If you're taking multiple prescription medications, particularly anything with a narrow safety margin, it's worth mentioning this supplement to your doctor or pharmacist rather than assuming it's automatically safe to combine with everything.

A Higher-Bioavailability Alternative Exists

Life Extension also sells a separate product called Bio-Quercetin, which uses a phytosome delivery technology (quercetin bound to phospholipids, similar in concept to the curcumin phytosome technology in our Thorne listing) stated to be significantly more bioavailable than standard quercetin, though at a considerably lower quercetin amount per capsule and a different overall formula. If maximizing absorption specifically matters more to you than dose size, that product may be worth considering as an alternative.

Ingredient Breakdown

Vegetarian. Non-GMO. Gluten-free.

Dosage Chart