If Iran's crypto toll on the Strait of Hormuz holds, every plant-based brand dependent on Middle Eastern chickpea and sesame imports is about to face a price shock no one budgeted for

Roughly one-fifth of the world's daily oil supply passes through a narrow corridor of water between Iran and Oman — the Strait of Hormuz. Now Iran has signaled its intention to impose a $1-per-barrel toll on every tanker transiting that chokepoint, a move that, if enforced, would reverberate far beyond the petroleum sector. For the plant-based food industry, which relies heavily on Middle Eastern chickpea and sesame exports shipped through those same waters, the downstream consequences could be significant — and largely unaccounted for in current supply-chain budgets.

What Iran Is Proposing — and Why It Matters Beyond Oil

Reports indicate that Iran plans to levy a $1 toll per barrel of oil on tankers passing through the Strait of Hormuz. On its face, a single dollar per barrel sounds modest. Multiply it across the roughly 20 million barrels that transit the strait daily, and the figure balloons to $20 million per day in potential new costs layered onto global shipping.

The critical detail that most energy-focused coverage has overlooked: the Strait of Hormuz is not an oil-only corridor. Bulk carriers, container ships, and general cargo vessels share that waterway. If Iran establishes a toll precedent — even one initially framed around oil tankers — the mechanism for extending fees to other commercial vessels is straightforward. Maritime tolls historically expand in scope once infrastructure for collection is in place.

For the plant-based food sector, this is where the story begins.

The Chickpea and Sesame Pipeline Runs Through Hormuz

The Middle East and surrounding regions are central to the global supply of two ingredients that form the backbone of plant-based cuisine: chickpeas and sesame seeds. Turkey is the world's largest chickpea exporter. Ethiopia, Sudan, and India are major sesame producers. A substantial share of these exports move by sea through or near the Strait of Hormuz and the broader Persian Gulf shipping network.

Hummus, tahini, falafel mixes, plant-based protein bars, and sesame-oil-based dressings are not niche products anymore. They are mainstream grocery staples. The North American hummus market alone has grown into a multi-billion-dollar category over the past decade, and tahini — once found only in specialty aisles — now appears in everything from salad dressings to ice cream bases.

Every one of those products depends on a supply chain that touches the waters Iran is now proposing to toll.

How Shipping Costs Cascade Into Shelf Prices

The relationship between maritime shipping costs and consumer food prices is not linear — it is multiplicative. A toll that adds cost at the point of transit does not simply tack a few cents onto a can of chickpeas. It ripples through a chain of intermediaries, each of whom adjusts margins.

Shipping companies absorb toll costs and pass them to importers. Importers renegotiate contracts with food manufacturers. Manufacturers adjust wholesale pricing. Retailers mark up accordingly. By the time a toll-related increase reaches a consumer picking up a container of hummus, the original per-unit cost increase may have been amplified several times over.

This amplification effect is well-documented in commodity economics. During the 2021-2022 global shipping crisis, when container freight rates spiked by as much as 300-400%, food prices in importing nations rose disproportionately — not because the raw ingredient costs had changed, but because logistics costs had. Plant-based brands, many of which are smaller companies operating on tighter margins than multinational food conglomerates, were among the hardest hit.

The lesson from that period: shipping disruptions do not need to be catastrophic to be costly. Even moderate, sustained increases in transit costs can compress margins to the point where brands must either raise prices or reformulate products with cheaper, more locally available ingredients.

The Enforcement Question

Whether Iran can actually enforce a toll on international shipping in the Strait of Hormuz remains a deeply contested legal and geopolitical question. The strait is governed in part by the United Nations Convention on the Law of the Sea (UNCLOS), which guarantees the right of "transit passage" through international straits. Most legal scholars interpret this as prohibiting coastal states from levying tolls on vessels exercising transit passage.

Iran, however, has not ratified UNCLOS, which complicates the legal picture. And enforcement does not necessarily require a formal toll booth on the water. Iran could use port fees, insurance requirements, or inspection regimes to create de facto costs for vessels transiting its claimed territorial waters. Even the credible threat of such measures can alter shipping behavior — causing vessels to reroute, purchase additional insurance, or factor risk premiums into contracts.

For food supply chains, the distinction between an enforced toll and a credible threat of one matters less than it might seem. Shipping companies price in risk. If the risk profile of Hormuz transit increases, freight rates for goods moving through the region will adjust upward regardless of whether a single dollar of toll revenue ever changes hands.

Which Plant-Based Brands Are Most Exposed?

The brands with the greatest exposure are those that meet three criteria: they source chickpeas or sesame from the Middle East or East Africa, they import via maritime routes through or near the Persian Gulf, and they operate at scale too small to maintain diversified supply chains with multiple sourcing regions.

Large multinational food companies often hedge against this kind of risk by sourcing from multiple continents simultaneously. A company buying chickpeas from both Turkey and Canada, for example, can shift purchasing ratios if one supply route becomes more expensive. Smaller plant-based brands — the kind that have proliferated in the direct-to-consumer and specialty grocery space — frequently lack this flexibility. They may have a single supplier relationship in a single country, with goods moving through a single shipping corridor.

These are the companies for which a Hormuz toll scenario poses the sharpest risk. Not existential risk, necessarily, but the kind of margin compression that forces difficult decisions: raise retail prices in a competitive market, absorb losses, or quietly reduce portion sizes.

What the Industry Should Be Watching

The immediate question is whether Iran moves from signaling to implementation. The reported toll proposal has emerged amid escalating tensions between Iran and Western nations, which means it could function primarily as a geopolitical bargaining chip rather than a genuine revenue policy. Tolls announced during periods of heightened tension have a history of being walked back when diplomatic conditions shift.

But the plant-based food industry would be making a strategic error to treat this as someone else's problem — a petroleum story with no relevance to pulses and seeds. The Strait of Hormuz is an everything corridor. When costs increase there, they increase for every commodity that moves through it.

The more productive response is scenario planning. Brands that depend on Middle Eastern and East African ingredients should be running models now: What does a 5% increase in shipping costs do to per-unit margins? At what point does it become cheaper to source chickpeas from North American or Australian growers, even at a higher per-bushel price? What inventory buffers exist if shipping is disrupted for 30, 60, or 90 days?

These are not hypothetical questions. They are the same questions the industry should have been asking before the Suez Canal blockage in 2021, before the Red Sea shipping disruptions of 2024, and before every other maritime chokepoint event that caught food companies off guard.

The Broader Pattern

The Iran toll proposal is best understood not as an isolated event but as another data point in a pattern that has been accelerating for five years: the growing fragility of maritime food supply chains. The plant-based sector, which has built its growth story on ingredients sourced globally — quinoa from South America, coconut from Southeast Asia, chickpeas from the Middle East — is particularly exposed to this fragility.

None of this means the industry is headed for crisis. It means the era in which plant-based brands could source ingredients from the cheapest global supplier without factoring in geopolitical shipping risk is ending. The brands that adapt to that reality — by diversifying supply chains, building inventory buffers, and stress-testing logistics against chokepoint scenarios — will be better positioned than those that treat every disruption as a surprise.

A $1-per-barrel toll on oil tankers may or may not materialize. But the underlying vulnerability it exposes — that the plant-based food system's most essential ingredients travel through some of the world's most contested waters — is real, and it is not going away.