How to spot proprietary blend red flags on men's vitality supplement labels, and why ingredient transparency matters more than a long ingredient list.
A 'proprietary blend' is a legal labeling category that allows a manufacturer to list a group of ingredients along with their combined total weight, without disclosing how much of any single ingredient is actually present. It's completely legal — and it's also one of the most common ways a men's vitality supplement label can look more impressive than the product actually is.
Many of the ingredients common to men's vitality formulas — Tongkat Ali, Saw Palmetto, Horny Goat Weed — have research showing effects only at specific dose ranges. A proprietary blend listing '1,500mg Proprietary Vitality Complex' could contain a research-relevant dose of one ingredient and trace, ineffective amounts of the other four, and there's no way to tell from the label alone.
By law, ingredients within a blend must be listed in descending order by weight. A common practice is to lead the blend with a cheap, high-weight filler ingredient, allowing the total blend weight to look large while the more expensive, research-relevant ingredients — listed later — may be present only in trace amounts.
A transparent label lists every ingredient individually with its own specific milligram (or microgram) amount, not grouped under a blend name. For botanical extracts specifically, look for extract ratios or standardized percentages disclosed alongside the amount — not just a milligram figure in isolation.
Watch for vague ingredient names without botanical (Latin) names attached, doses that seem implausibly low for a listed research-backed effect, and labels that avoid stating extract concentration for botanicals where concentration meaningfully affects potency, like Tongkat Ali.
Every one of Horsewood's seven ingredients is listed individually with its specific amount on a real supplement facts panel — no combined blend, no obscured dosing. This was a deliberate formulation choice, not a marketing afterthought: it means you can actually evaluate what you're taking against the published research.
See every Horsewood ingredient listed individually, with the research behind each.
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