Best Bromelain Supplement 2026: Why GDU Matters More Than Milligrams
Informational summary — not medical advice. This page ranks product value and label transparency; on whether bromelain works, see the hub and the evidence verdict. This statement has not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Bromelain is priced by mg but works by activity units (GDU) — a cheap 500mg capsule with 1,200 GDU can be less potent than a pricier 500mg capsule with 3,000 GDU, a 2.5x spread at the identical label weight. Ranked by cost per 1,000 disclosed GDU, NOW Foods Bromelain is the top pick — not the cheapest per capsule, which is Nutricost Bromelain 500mg. One listing (Life Extension) discloses mg but not GDU at all — a real labeling gap. And bromelain itself is best-evidenced for post-surgical swelling and sinusitis, not general joint relief — see the full verdict before assuming a "joint support" claim on any of these labels.
As an Amazon Associate we earn from qualifying purchases. Ranked by disclosed activity units (GDU) first, then cost per 1,000 GDU — never by commission.
Pure bromelain, ranked by cost per 1,000 GDU
All four products below disclose their activity units, so they can be honestly compared. "Cost per capsule" is the number most labels emphasize; "cost per 1,000 GDU" is the number that reflects what you're actually paying for — proteolytic activity, not milligram weight.
| Product | mg / serving | Disclosed GDU | $ / serving | $ / 1,000 GDU |
|---|---|---|---|---|
| NOW Foods Bromelain | 500 mg | 2,400 GDU | $0.21 | $0.0859 |
| Doctor's Best 3000 GDU Bromelain | 500 mg | 3,000 GDU | $0.31 | $0.1037 |
| Nutricost Bromelain 500mg | 500 mg | 1,200 GDU | $0.14 | $0.1177 |
| Pure Encapsulations Bromelain 2400 | 500 mg | 2,400 GDU | $0.67 | $0.2778 |
Reading the table: Nutricost Bromelain 500mg is the cheapest per capsule, but its 1,200 GDU is the lowest disclosed potency of the four. Doctor's Best 3000 GDU Bromelain discloses the highest activity (3,000 GDU) but lands mid-pack on cost per 1,000 GDU. NOW Foods Bromelain comes out cheapest per unit of actual proteolytic activity once potency is factored in — the product that looks "mid-priced" by capsule cost is the best deal by GDU.
The one listing that doesn't disclose GDU at all
Life Extension Specially-Coated Bromelain discloses 500mg bromelain per serving, enteric-coated, at $0.26/serving — but its Amazon listing carries no GDU, MCU, or FIP figure anywhere. That's a real labeling gap illustrated directly by this comparison, not a hypothetical: there is no way to independently verify or compare its proteolytic potency against the four GDU-labeled products above at the same 500mg weight. It is excluded from the cost-per-1,000-GDU ranking rather than assumed comparable — if activity units matter to you (and for a protease, they should), a GDU-disclosed product is the more verifiable choice.
Quercetin + bromelain: a combo product, not ranked here
Doctor's Best Quercetin Bromelain ($28.99, 180 veg capsules) is a COMBINATION product — label-typical ~500mg quercetin plus ~250mg bromelain (around 2,400 GDU) per serving — not pure bromelain, so it is never folded into the pure rankings above. We could not confirm its bromelain mg or GDU from the listing, and we found no dedicated human RCT of the quercetin-plus-bromelain combination itself. It's a traditional pairing sold on a plausible synergy claim, not a proven combination — see the quercetin comparison for the same product treated from the quercetin side.
What "best" means here Bromelain isn't proven for general joint relief or a broad "anti-inflammatory" claim — a few small trials measured swelling after dental surgery. Buying the highest-value GDU product doesn't change what those trials found; see the full verdict.
Cost-per-day note: label serving vs. trial dose
Every cost-per-serving figure above assumes one 500mg label serving per day. Trial doses ran higher than one label serving, and labels vary. See the dosage guide for the full trial-dose table.
Price check · Bromelain
What Bromelain actually costs across the brands we track
What you pay. The 6 Bromelain products here run $0.14 to $0.67 a day across 5 brands, a 4.8× gap. Some of these state a certification on the listing itself. That is a weaker claim than a certifier confirming it: a listing repeats what the brand says, and a registry entry shows what a certifier has checked.
Method: the 6 Bromelain products in our catalogue, each priced at its own labelled serving rather than by pack size, across 5 brands. How we price.
The shelf · Bromelain
The Bromelain shelf is unusually consistent
Across 6 products from 5 brands, the cheapest day is Nutricost Bromelain 500mg at $0.14 and the priciest is Pure Encapsulations Bromelain 2400 at $0.67, a gap of 4.8×. With prices this close, which of these Bromelain products has been independently checked matters more than the price.
Method: the 6 Bromelain products above, compared on label facts, serving size, servings per container, form, price. Not a dosing recommendation.
Frequently asked questions
What is the best bromelain supplement?
By cost per 1,000 disclosed GDU: NOW Foods Bromelain. By cheapest per capsule (lower potency): Nutricost Bromelain 500mg.
Is a cheaper capsule always a worse deal?
Not always, but check the GDU — a 2.5x potency spread exists at the identical 500mg label weight among products tracked here.
Which product doesn't disclose GDU?
Life Extension Specially-Coated Bromelain — mg only, no activity-unit figure on the listing. A real labeling gap.
Is the quercetin+bromelain product pure bromelain?
No — it's a combination product, listed separately and never ranked against the pure picks.
Related
- Bromelain: what it is & who it's for
- Bromelain dosage guide — GDU vs mg vs FIP, and timing
- Bromelain for post-surgical swelling
- Does bromelain work? — the full honest verdict
Sources
- Manufacturer labels and live Amazon pricing for all listed products, July 2026. Full dataset: /bromelain/cost-by-brand.json (CC BY 4.0).
- Majid & Al-Mashhadani. "Perioperative bromelain reduces pain and swelling and improves quality of life measures after mandibular third molar surgery: a randomized, double-blind, placebo-controlled clinical trial." J Oral Maxillofac Surg. 2014. PMID: 24589242
- Bormann et al. "Perioperative Bromelain Therapy after Wisdom Teeth Extraction - A Randomized, Placebo-Controlled, Double-Blinded, Three-Armed, Cross-Over Dose-Finding Study." Phytother Res. 2016. PMID: 27601419 (dose-finding trial; COI: co-author affiliated with Ursapharm Arzneimittel GmbH).
- Brien et al. "Bromelain as an adjunctive treatment for moderate-to-severe osteoarthritis of the knee: a randomized placebo-controlled pilot study." QJM. 2006. PMID: 17121765 (800mg/day, primary endpoint not met).