If you’ve read our articles on universal life and indexed universal life, you know both offer flexible premiums and a cash value account that grows in different ways. Variable universal life (VUL) is the third major branch of that family, and it works differently enough from its cousins that it deserves its own explanation. VUL takes the flexibility of universal life and pairs it with direct market investing — which means more growth potential, but also real investment risk that the other two don’t carry in the same way.

How VUL Works: Flexibility Plus Direct Investing

Like standard universal life, a VUL policy separates your premium into a few buckets: the cost of insurance, policy fees and expenses, and the amount that goes into the policy’s cash value. You typically have flexibility to adjust your premium payments within limits and, in many cases, to adjust your death benefit as your needs change over time. That flexible structure is the “universal life” part of the name.

The “variable” part is what sets VUL apart. Instead of the cash value earning a fixed interest rate (as in traditional universal life) or a rate tied to a market index with a guaranteed floor (as in indexed universal life), a VUL policy lets the policyowner direct their cash value into a menu of investment subaccounts — professionally managed portfolios that function much like mutual funds, typically covering a range of stock, bond, and money market options. You choose how to allocate among them, and your cash value balance moves directly with the performance of whatever you’ve selected.

The Key Risk: Your Cash Value Can Go Down

This is the single most important thing to understand about VUL, and it’s the feature that separates it from universal life and indexed universal life. Both UL and IUL are generally built with a guaranteed minimum floor on the cash value’s interest crediting — often 0% or slightly above — meaning a bad year in the underlying interest rate or index doesn’t cause the cash value itself to lose money from market performance (though monthly deductions for insurance costs and fees still apply regardless). VUL has no such floor on its subaccounts. Because the cash value is invested directly in the market, it can lose value in a market downturn, just like a brokerage account or a 401(k) can.

That matters beyond just watching your account balance dip. In a universal life-style policy, the cash value helps cover ongoing insurance and administrative charges when the scheduled premium isn’t enough on its own. If the cash value shrinks because of poor market performance at the same time premiums are minimal, the policy can run short of funds faster than expected — potentially putting the policy at risk of lapsing (losing coverage) if it isn’t funded adequately. This combination of market risk and lapse risk is the central tradeoff of VUL.

Who Might Consider VUL

VUL tends to appeal to people who are already comfortable with investment risk in other parts of their financial life — someone who invests in the stock market for retirement and understands that markets go up and down over time. For the right person, VUL offers meaningfully higher long-term growth potential than a fixed or capped-growth policy, along with the flexibility to shift allocations as their risk tolerance or goals change, and the ability to adjust premiums and death benefit as universal life products generally allow. It can be attractive to someone who wants permanent life insurance but also wants their cash value working with real market growth potential rather than a fixed or capped crediting rate.

Who Should Be Cautious

VUL is generally not a good fit for someone who wants predictability, who is risk-averse, or who doesn’t want to actively manage a financial product over the long term. If the idea of your life insurance cash value dropping in a bad market year (and potentially needing to add money to keep the policy from lapsing) is unsettling, a more conservative form of permanent coverage — or simple term insurance — is likely a better match. VUL is also generally considered a more complex product with more moving parts and more fees to understand, so it tends to be best suited to people who are willing to read the fine print or work closely with an advisor.

Why Active Monitoring Matters

Because a VUL policy’s cash value is tied to market performance, it is not something you can simply set up and ignore for decades the way you might with a guaranteed whole life policy. It’s important to review the policy’s annual statement regularly to see how the subaccounts are performing, how much is being deducted for insurance costs and fees, and whether the current funding level is on track to sustain the policy long-term. A stretch of poor market returns combined with premiums that are only paying the bare minimum is exactly the scenario that can put a VUL policy at risk of lapsing years or even decades after it was purchased, often at a point when replacing the coverage would be far more expensive due to age or health changes. Anyone who owns or is considering a VUL policy should plan on periodic check-ins, either with their agent or through the insurer’s illustration tools, rather than treating it as a purchase-and-forget product.

This article is for general educational purposes and does not constitute personalized financial, tax, or legal advice. Insurance products, features, costs, and availability vary by carrier and state — speak with a licensed advisor about your specific situation before making a decision.