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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 3507.10

Rennet and concentrates thereof

In short

  • The US imported $12.7M of this product over the 12 months to August 2026, up 11% on the year before.
  • Denmark is the largest supplier, with 74.0% of US imports; Italy is next, with 18.9%.
  • Denmark is the cheapest main supplier before and after freight and duty, landing at $11.51/kg.
  • Duty paid averaged 9.5% of the value of imports in August 2026, down 2.0 points on a year earlier.
  • Italy is gaining share: 12.4% over the last 12 months, up from 7.6%.
  • US exports were $5.4M over the last 12 months; the largest market is Canada, with 57.2%.

US imports, Aug 2026

$1.6M

↑ +89% vs Aug 2025

Last 12 months

$12.7M

↑ +11% vs the 12 months before

Average duty paid

9.5%

↓ −2.0 pts vs Aug 2025

Top supplier

Denmark

74.0% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugDuty ↓
Show the numbers
MonthUS imports
August 2025$835K
September 2025$1.3M
October 2025$248K
November 2025$411K
December 2025$1.1M
January 2026$1.4M
February 2026$636K
March 2026$1.6M
April 2026$908K
May 2026$1.4M
June 2026$1.3M
July 2026$717K
August 2026$1.6M

What changed

  • US imports were $1.6M in August 2026, up 120% from July 2026 and up 89% from August 2025.
  • Over the 12 months to August 2026 they totalled $12.7M, up 11% on the 12 months before.
  • Biggest moves in market share since July 2026: Italy up from 2.5% to 18.9%, Denmark down from 95.1% to 74.0%.
  • Average price from Italy rose 42% since July 2026, to $74.85/kg.
  • Duty paid by the main suppliers held within 2 points of July 2026.

US trade by year

US imports were $12.7M in the 12 months to Aug 2026, up 60% on the 12 months to Aug 2017. US exports were $5.4M, up 126%. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2017201820192020202120222023202420252026Duty ↑
Show the numbers
PeriodUS imports
12 months to Aug 2017$7.9M
12 months to Aug 2018$9.4M
12 months to Aug 2019$8.8M
12 months to Aug 2020$7.9M
12 months to Aug 2021$9.8M
12 months to Aug 2022$11.0M
12 months to Aug 2023$12.7M
12 months to Aug 2024$11.6M
12 months to Aug 2025$11.4M
12 months to Aug 2026$12.7M
  • Denmark
  • Italy
  • Japan
  • Sweden
  • All countries
Share of US imports
Show the numbers
PeriodDenmarkItalyJapanSweden
12 months to Aug 201782.0%8.3%1.6%0.1%
12 months to Aug 201882.5%10.1%1.4%0.0%
12 months to Aug 201975.9%15.6%1.3%0.1%
12 months to Aug 202079.2%12.5%1.6%0.0%
12 months to Aug 202175.1%12.2%1.4%0.0%
12 months to Aug 202277.9%10.1%1.1%0.0%
12 months to Aug 202372.4%12.3%7.9%0.0%
12 months to Aug 202474.4%9.5%6.6%0.0%
12 months to Aug 202578.4%7.6%6.8%0.0%
12 months to Aug 202671.3%12.4%5.6%4.4%
Duty paid, % of value
Show the numbers
PeriodDenmarkItalyJapanSwedenAll countries
12 months to Aug 20170.0%0.0%0.0%0.0%0.0%
12 months to Aug 20180.0%0.0%0.0%n/a0.0%
12 months to Aug 20190.0%0.0%0.0%0.0%0.0%
12 months to Aug 20200.0%0.0%0.0%n/a0.1%
12 months to Aug 20210.0%0.0%0.0%n/a0.1%
12 months to Aug 20220.0%0.0%0.0%n/a0.0%
12 months to Aug 20230.0%0.0%0.0%n/a0.1%
12 months to Aug 20240.0%0.0%0.0%n/a0.0%
12 months to Aug 20253.6%3.1%4.2%n/a3.5%
12 months to Aug 202611.6%12.5%10.9%0.0%11.3%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$12.7M+11%11.3%+7.8 pts$5.4M+16%
12 months to Aug 2025$11.4M−1.5%3.5%+3.5 pts$4.6M+8.9%
12 months to Aug 2024$11.6M−8.4%0.0%0.0 pts$4.3M−1.5%
12 months to Aug 2023$12.7M+15%0.1%0.0 pts$4.3M−19%
12 months to Aug 2022$11.0M+12%0.0%0.0 pts$5.4M+101%
12 months to Aug 2021$9.8M+25%0.1%0.0 pts$2.7M+46%
12 months to Aug 2020$7.9M−10%0.1%+0.1 pts$1.8M−41%
12 months to Aug 2019$8.8M−7.1%0.0%0.0 pts$3.1M−1.1%
12 months to Aug 2018$9.4M+19%0.0%0.0 pts$3.1M+30%
12 months to Aug 2017$7.9M0.0%$2.4M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
Denmark$1.2M74.0%+3.0 pts$12.28/kg+79%9.1%−2.5 pts
Italy$298K18.9%new$74.85/kg10.0%
Japan$93K5.9%−16.6 pts$5.90/kg+2.1%12.5%0.0 pts
Greece$18K1.2%new$6.19/kg10.0%
All countries$1.6M100.0%$13.38/kg+100%9.5%−2.0 pts

The 3 largest suppliers had 89.3% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
Denmark$10.07/kg$0.49/kg4.9% of price$0.96/kg9.5% of price$11.51/kg+48%
Sweden$13.53/kg$0.27/kg2.0% of price$0.00/kg0.0% of price$13.80/kg
Italy$72.55/kg$0.55/kg0.8% of price$7.26/kg10.0% of price$80.36/kg+163%
All countries$11.21/kg$0.46/kg4.1% of price$0.93/kg8.3% of price$12.60/kg+59%

Landed at a US port, Denmark was cheapest, at $11.51/kg: 16.6% below Sweden.

Landed cost from Italy rose 163% on a year earlier, to $80.36/kg, mostly on price: $26.51/kg then, $72.55/kg now.

How the market is shifting

Italy gained the most share: 12.4% of US imports over the last 12 months, up from 7.6% in the 12 months before. Denmark lost the most: 71.3%, down from 78.4%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • Denmark
  • Italy
  • Japan
  • Sweden
  • All countries
Share of US imports
Show the numbers
MonthDenmarkItalyJapanSweden
September 202483.1%0.2%8.0%0.0%
October 202487.9%0.3%0.0%0.0%
November 202475.4%17.7%5.6%0.0%
December 202487.9%1.1%6.6%0.0%
January 202526.2%40.0%12.9%0.0%
February 202580.0%0.0%7.9%0.0%
March 202579.1%20.3%0.0%0.0%
April 202584.5%0.0%8.8%0.0%
May 202565.3%19.5%8.2%0.0%
June 202597.8%0.0%0.0%0.0%
July 202586.5%8.3%0.0%0.0%
August 202571.0%0.0%22.5%0.0%
September 202578.2%18.6%0.0%0.0%
October 202576.3%0.0%0.0%0.0%
November 202594.7%1.5%0.0%0.0%
December 202562.4%26.9%8.3%0.0%
January 202668.8%16.9%6.8%0.0%
February 202675.2%0.0%3.9%0.0%
March 202672.1%9.8%11.5%0.0%
April 202684.3%0.0%12.9%0.0%
May 202662.6%21.3%6.5%0.0%
June 202647.9%0.7%0.0%42.8%
July 202695.1%2.5%0.0%0.0%
August 202674.0%18.9%5.9%0.0%
Duty paid, % of value
Show the numbers
MonthDenmarkItalyJapanSwedenAll countries
September 20240.0%0.0%0.0%n/a0.0%
October 20240.0%0.0%n/an/a0.0%
November 20240.0%0.0%0.0%n/a0.0%
December 20240.0%0.0%0.0%n/a0.0%
January 20250.0%0.0%0.0%n/a0.4%
February 20250.0%n/a0.0%n/a0.0%
March 20250.0%0.0%n/an/a0.0%
April 20254.6%n/a0.0%n/a4.0%
May 202510.0%10.0%10.0%n/a10.0%
June 202510.0%n/an/an/a10.0%
July 20259.4%10.0%n/an/a9.4%
August 202511.6%n/a12.5%n/a11.5%
September 202515.0%15.0%n/an/a15.0%
October 202515.0%n/an/an/a14.5%
November 202515.0%15.0%n/an/a14.9%
December 202515.0%15.0%15.0%n/a15.0%
January 202613.8%15.0%15.0%n/a13.9%
February 202612.3%n/a15.0%n/a15.8%
March 202610.1%10.0%12.5%n/a10.2%
April 20269.9%n/a0.0%n/a8.6%
May 20269.7%10.0%10.0%n/a9.8%
June 202610.0%10.0%n/a0.0%5.7%
July 20269.8%10.0%n/an/a10.3%
August 20269.1%10.0%12.5%n/a9.5%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. February–March 2026 · Duty paid: Denmark 15.0% → 10.0%, all countries 15.0% → 9.2%.
  2. May 2025 · Duty paid: Denmark 0.0% → 10.0%, all countries 0.2% → 10.0%.

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Chicago, IL$8.8M · 69.8%
  2. Newark, NJ$1.7M · 13.2%
  3. New Orleans, LA$629K · 5.0%
  4. Los Angeles, CA$590K · 4.7%
  5. Chester, PA$378K · 3.0%

Where US exports go

US exports were $353K in August 2026, down 18% from August 2025, and $5.4M over the last 12 months, up 16% on the 12 months before. Fastest-growing market with 3% or more of US exports: Mexico, up 198%.

MarketLast 12 monthsSharevs 12 months before
Canada$3.1M57.2%+14%
Mexico$1.2M23.2%+198%
Nicaragua$452K8.4%−12%
Honduras$112K2.1%+368%
Ecuador$91K1.7%+34%
Panama$88K1.6%+39%
Costa Rica$64K1.2%−37%
China$62K1.2%−2.0%
Other countries (11)$189K3.5%−61%
All countries$5.4M100.0%+16%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 102 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Denmark$20.9Min 2025+2.4%$520.0%
Brazil$20.3Min 2025+52%$139K0.7%
Italy$15.4Min 2025+20%$3K0.0%
Turkey$7.7Min 2025+14%$20.0%
France$6.7Min 2025+13%$1K0.0%
Poland$6.5Min 2025−1.4%$00.0%
Germany$6.4Min 2025+2.7%$3K0.0%
United Kingdom$3.8Min 2025+27%$6K0.1%

The biggest market outside the US is Denmark, which imported $20.9M of this product in 2025, under 0.1% of it from the US.

Of these, imports into Brazil grew fastest: up 52% from 2024 to 2025.

Other products under heading 3507: enzymes; prepared enzymes not elsewhere specified. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Enzymes and prepared enzymes, not elsewhere specifiedHS 3507.90$834.2M$1.30B
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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