Recovery drinks: do you need one, or is a meal enough?

Walk into any bike shop after a sportive and someone will hand you a shaker. The recovery drink is the most successfully marketed product in endurance sport, sold on a simple promise: there is a window, it is closing, and if you miss it you have wasted the ride.

The physiology behind that claim is real, but it has been stretched a long way past what the research actually supports. The useful question is not whether rapid refuelling works — it does — but how often you are in a situation where it matters. For most riders, most weeks, the answer is: almost never.

What is actually being refilled

A hard ride depletes muscle glycogen — the carbohydrate stored inside the muscle itself. Refilling it takes carbohydrate, and the rate at which your body can do that is not constant. In the first hour or two after exercise, muscle is unusually good at taking up glucose: blood flow is high, the glucose transporters are already at the cell surface, and the enzyme that builds glycogen is more active. That effect is genuine, and it is the kernel of truth inside the marketing.

It is also a fairly modest effect that fades over a few hours, and — this is the part that gets left out — it only changes your timeline. Given 24 hours and enough total carbohydrate, you end up in the same place whether you started refuelling at 20 minutes or at two hours. The original 1988 study that launched the whole idea compared immediate feeding against delaying by two hours; it found faster synthesis early on, not a permanent penalty.

The only question that matters: when is your next session?

Written down like that, the marketing claim looks rather different. The eight-hour threshold is where the sports nutrition position statements draw the line, and it excludes almost every ordinary training week. If you ride once a day and sleep in between, you have the better part of a day to refuel and the clock is not your limiting factor — total intake is.

The numbers, for the case where it does matter

Rough guides drawn from sports nutrition position statements, not individualised targets. Body composition, session length and how depleted you actually were all shift them.

Does adding protein help?

This is where the evidence is more interesting than the advertising. Adding protein to a post-exercise carbohydrate feed does increase the rate of glycogen synthesis — but mainly when the carbohydrate dose is below optimal. Once you are already taking in around 1.2 g/kg/h of carbohydrate, the additional protein adds little to glycogen resynthesis specifically.

That does not make protein pointless. It is doing a different job: supporting the repair and remodelling of muscle after hard work, which carbohydrate cannot do. So the practical reading is:

• If you are eating plenty of carbohydrate, protein is there for repair, not for glycogen. Include it anyway — roughly 0.25–0.3 g/kg per feed is the commonly cited range.
• If you struggle to eat much after hard rides — which is common, because hard exercise blunts appetite — co-ingesting protein genuinely helps you get more glycogen back from less carbohydrate. This is the strongest practical argument for a mixed drink.
• Neither of these requires a product. Almost every ordinary meal containing starch and meat, fish, eggs, dairy or pulses already does both.

Milk, which keeps quietly winning

Milk is an awkward product for the supplement industry, because it is roughly what a recovery drink is trying to be. It provides carbohydrate, a high-quality protein blend of casein and whey, and — unusually for a drink — meaningful sodium and potassium, which is why it performs well in rehydration studies. Trials comparing milk with carbohydrate-electrolyte sports drinks after dehydrating exercise have found that a larger fraction of the fluid is retained rather than passed straight through.

Chocolate milk, the version everyone jokes about, is simply milk with the carbohydrate turned up. It is not magic. It is just an unusually well-matched combination that happens to be cheap and available everywhere.

Real food against the product

Portion figures are approximate and vary by product and brand — treat them as orders of magnitude for comparison, not label values.

So do you need one?

• Buy one if you are genuinely time-pressed between sessions — stage racing, camps, a double day, a long drive home from a race with nothing edible in the car. Convenience is a real benefit and worth paying for.
• Buy one if you cannot face food after hard efforts. Something you will actually consume beats an optimal meal you skip.
• Skip it if you train once a day and then have dinner. You are buying a solution to a problem you do not have. A meal, eaten when you are hungry, is not a compromise in this scenario — it is the better option, because it brings everything else food brings.

The one habit worth keeping from the recovery-drink era is the prompt: hard ride, then eat. Where riders actually go wrong is not mistiming a shake by ninety minutes — it is finishing a four-hour ride, feeling too flat to cook, and going to bed on a slice of toast. That is a real deficit, and no drink fixes it either.

If you want to know which category you are in on a given day, it is worth looking at what the next session actually is. A Moveee plan puts tomorrow's session in front of you, so you can see whether you are looking at intervals in fourteen hours or an easy spin in thirty-six. That, rather than the ride you just finished, is what decides how urgently you need to eat.