DAO Supplement Value: Cost per HDU, Explained
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Full transparency: OmneDiem makes the products below. Each uses DAOgest®, a standardized porcine DAO ingredient. Here is how they compare using the formulas above.
| Product | HDU per serving | Size | Price* | Cost per serving | Cost per 10,000 HDU |
|---|---|---|---|---|---|
| Histamine Digest PureMAX | 40,000 | 30 capsules | $29.95 | $1.00 | $0.25 |
| 60 capsules | $54.95 | $0.92 | $0.23 | ||
| Histamine Digest | 30,000 | 60 capsules | $55.95 | $0.93 | $0.31 |
| 120 capsules | $87.95 | $0.73 | $0.24 | ||
| Histamine Complete | 15,000 + quercetin, vitamin C, bromelain, nettle | 30 capsules | $39.95 | $1.33 | $0.89† |
| 90 capsules (3-pack) | $99.95 | $1.11 | $0.74† | ||
| Mast Cell Support HD360 | [HD360 HDU] + vitamin B6 (P5P) | 120 capsules | $89.95 | $0.75 | [HD360 COST/10K HDU] |
*Prices are one-time purchase prices on omnediem.com as of November 2, 2026, and are subject to change. Check each product page for current pricing. Subscribe and Save takes an additional 10% off. Cost per serving assumes one capsule per serving; follow your label. Figures are rounded to the nearest cent.
†Histamine Complete also includes quercetin, vitamin C, bromelain, and stinging nettle leaf, so cost per 10,000 HDU alone does not capture its full value.
This article is for educational purposes only and is not medical advice. The Bottle A and Bottle B examples are hypothetical. OmneDiem prices shown are as of November 2, 2026, and are subject to change; see each product page for current pricing. Talk with a qualified healthcare provider before starting any supplement, especially if you are pregnant, nursing, taking medication, or managing a health condition. OmneDiem manufactures Histamine Digest, Histamine Digest PureMAX, Histamine Complete, and Mast Cell Support HD360.