NOW Foods, D-Mannose, 500 mg, 120 Veg Capsules

A Sugar That Doesn't Raise Your Blood Sugar — And Works Differently From Cranberry

We also carry three cranberry products for urinary tract support, and D-Mannose is worth understanding as a genuinely different tool rather than simply another option in the same category. D-mannose is a naturally occurring simple sugar — found in small amounts in cranberries and other fruits — but here's the reassuring part: it's metabolized by the body only in small amounts, with most of it rapidly excreted through urine, which means it doesn't interfere with healthy blood sugar regulation the way you might expect from something described as a "sugar." This is genuinely worth knowing if you've been cautious about this product specifically because of its name.

How This Differs Mechanistically From Cranberry

Cranberry's proanthocyanidins (PACs) are studied for their broad anti-adhesion antioxidant properties within the urinary tract. D-mannose works through a more specific, targeted physical mechanism: once it passes into the urine, it can bind directly to certain compounds on the surface of undesirable microbes, helping prevent them from sticking to the bladder lining and instead flushing them out during normal urination. This is a genuinely different, more mechanically specific action than cranberry's broader antioxidant-based approach.

NOW Foods Itself Suggests Combining the Two

Worth knowing directly: NOW Foods' own product information suggests considering this product in combination with their Cranberry product, rather than choosing one over the other — a legitimate manufacturer-recommended pairing, since the two work through complementary rather than overlapping mechanisms. If you're building urinary tract support into your routine, this combination is worth considering rather than picking just one.

A Notably Clean Set of Certifications

This product carries genuinely strong, definitive claims rather than ambiguous ones we've had to flag on other products: it's Non-GMO Project Verified, vegetarian/vegan, Kosher, and explicitly Halal — a rare combination of clearly stated certifications across the board, with no sourcing ambiguity to navigate.

A Note on Capsule Material

Most current major retailers describe this product's capsule as Hypromellose (vegetarian, cellulose-based), consistent with the Halal and vegan claims above, though we found one older listing describing a gelatin capsule instead. This likely reflects a formulation update over time — the current, predominant sourcing points to a vegetarian capsule, and we'd recommend confirming against your specific bottle if you want full certainty.

Flexible Dosing Based on Your Needs

The suggested use — 3 capsules, 1 to 3 times daily — is intentionally flexible, allowing for a higher intake during periods when you want more concentrated support, and a lower, more occasional intake otherwise. Taking it with water or unsweetened juice (unsweetened cranberry juice is specifically mentioned as a good pairing) is the recommended approach, and spacing doses throughout the day may help.

A Mild, Manageable Consideration

Since D-mannose is a fermentable simple sugar, some people may experience mild bloating or loose stools, particularly at higher doses. This is generally manageable by adjusting your dose or spacing it differently through the day.

Ingredient Breakdown

Non-GMO Project Verified. Vegetarian/Vegan. Kosher. Halal. Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut, or sesame ingredients.

Dosage Chart

D-Mannose vs. Our Cranberry Products

If you're deciding between the two, know that they're not really competing products — combining D-mannose with a cranberry product is a reasonable, manufacturer-supported approach for more comprehensive urinary tract support.