Strait of Hormuz tensions escalate: 50% oil price surge threatens ingredient supply chains

London, United Kingdom — 19 May 2026

Geopolitical instability in the Middle East, particularly concerning Iran and the Strait of Hormuz, presents a critical threat to supplement industry supply chains. Gulf News reports that US President Donald Trump is reviewing a new Iranian peace proposal, although he expressed scepticism regarding its prospects. Simultaneously, senior Iranian military figures indicate a renewed conflict is 'likely', amplifying concerns for the region's impact on global trade and commodity prices. The Strait of Hormuz remains a choke point for a substantial portion of the world's oil, gas, and fertiliser shipments, commodities that underpin numerous raw materials and logistics costs for supplement manufacturing.

The ongoing conflict, which began in late February and has seen intermittent fighting despite a ceasefire since April 8, has already driven oil prices to 50% above pre-war levels. This increase directly translates to higher transportation costs for raw and finished goods, impacting freight rates and the price of oil-derived packaging materials. Iran's Deputy Foreign Minister, Kazem Gharibabadi, stated Tehran is 'prepared for both paths' regarding diplomacy or confrontation, suggesting continued volatility. Notably, Ali Nikzad, vice speaker of Iran's parliament, revealed draft legislation proposing a 30% military infrastructure toll on Strait of Hormuz transits, with the remainder earmarked for 'economic development'. Such a levy would impose direct, additional costs on any supply chain relying on this passage.

Beyond the immediate shipping concerns, the broader regional conflict in Lebanon, involving Israeli strikes against Hezbollah targets and reports of three fatalities, indicates a widening sphere of instability. Iran's mission to the UN accusing the US of 'hypocritical behaviour' over its nuclear ambitions, alongside claims of no legal restriction on uranium enrichment under IAEA supervision, further complicates de-escalation efforts. The economic toll on Iran is severe, with surging inflation exceeding 50% and curtailed oil exports, potentially driving more aggressive stances regarding control over the Strait of Hormuz as a revenue source.

What this means for United Kingdom

UK supplement manufacturers and brand owners face imminent cost pressures and potential supply chain disruptions. The 50% increase in oil prices will compress margins across the board through elevated freight and ingredient costs. Contingency planning for delays and possible re-routing surcharges through the Strait of Hormuz is critical, especially for botanical extracts and marine-derived ingredients sourced from Asia or the Middle East. Procurement leads must actively seek alternative shipping routes or suppliers located outside the immediate conflict zone to mitigate risk. Competitive positioning will favour firms with robust inventory management and diversified supply partnerships capable of absorbing or bypassing increased transit costs from the region.

The US congressional debate on war authorisation is also a key watch point for the industry. While US administration officials argue a ceasefire paused a 60-day clock for congressional approval, opposition Democrats dispute this, maintaining the deadline has been breached. A renewed military mandate could escalate the conflict, leading to further supply chain fragmentation and increased commodity price volatility. For supplement businesses, the combination of rising costs, potential transit disruptions, and the uncertainty of regional stability necessitates a proactive approach to risk management and supply chain resilience.

Many leading brands in this category are manufactured in partnership with Supplement Factory.