How Long Does a Bottle of CBD Last? A Simple UK Guide

Quick answer: to work out how long a bottle of CBD lasts, divide the total CBD on the label by the amount you take each day. Taken once a day, a tub of BulletCBD 1000mg Gummies lasts 100 days, the 6000mg Mint Spray holds around 300 sprays, and a 1000mg 30ml oil gives about 60 servings.

"How long will this last me?" is one of the most common questions we get from customers in Mansfield and across the UK. It matters, because the real cost of CBD isn't the price on the bottle. It's the cost per day. This guide shows you the simple maths, gives you the numbers for every BulletCBD product, and explains why a bigger bottle is often the cheaper choice.

How do you work out how long a CBD bottle lasts?

You need two numbers: the total CBD in the pack (the big number on the label, such as 1000mg or 6000mg) and the amount you take each day.

Days a bottle lasts = total mg of CBD ÷ mg you take per day

For example, a 1000mg tub of gummies with 10mg in each gummy lasts 100 days at one gummy a day (1000 ÷ 10 = 100).

The tricky part with oils and sprays is working out how much CBD is in each serving, because the same total can be spread through different amounts of oil. That's why it helps to know the CBD per ml: total mg divided by bottle size in ml. We explain this in more detail in our guide to reading a CBD oil label in 60 seconds.

How long does each BulletCBD product last?

Here's how far each product goes at one serving a day, using the serving information on our product pages. Prices are as listed on bulletcompany.co.uk in October 2026.

Product	Total CBD	Servings per pack	Days at 1 serving a day	Approx. cost per day
6000mg Mint Spray (30ml)	6000mg	Around 300 sprays	Around 300	About 12p
1000mg CBD Gummies (100)	1000mg	100 gummies (10mg each)	100	About 30p
1000mg Orange Spray (10ml)	1000mg	Around 80 sprays (about 12mg each)	Around 80	About 25p
1000mg Broad-Spectrum Oil (30ml)	1000mg	About 60 × 0.5ml	About 60	About 33p
500mg Broad-Spectrum Oil (10ml)	500mg	About 20 × 0.5ml	About 20	About 50p
1000mg Broad-Spectrum Oil (10ml)	1000mg	About 20 × 0.5ml	About 20	About £1.00

Our 4000mg Isolate Spray and 4000mg Broad-Spectrum Spray come in our largest 50ml bottle. How long they last depends on how many sprays you use each day, so check the label on your bottle and use the formula above.

Spray and serving counts are approximate and can vary slightly with how the pump is pressed. Always follow the serving guidance on your label. The Food Standards Agency advises healthy adults to limit CBD to 10mg a day, which is the same as one BulletCBD gummy.

Why does a bigger bottle often cost less per day?

Price per bottle and price per day are two very different things. A £10 bottle feels cheaper than a £34.95 bottle, but look at the table again: the 6000mg Mint Spray works out at around 12p a day, while a small 10ml oil can cost several times more per day.

The fairest way to compare CBD products is the cost per 1000mg. Across our range, the 6000mg Mint Spray costs £5.83 per 1000mg, compared with £20 per 1000mg for our smaller bottles. A 2025 survey of 26 bestselling UK CBD products found prices ranging from about 1p to 9p per mg, which puts the Mint Spray, at 0.58p per mg, among the best-value CBD in the UK.

That's why many customers start small, with the 500mg oil for £10, and move up to a bigger bottle once CBD is part of their routine.

How do you make a bottle last as long as possible?

• Shake before every use. CBD can settle in the oil, so a quick shake keeps every serving consistent.
• Store it properly. Keep it somewhere cool and dark with the cap closed. Our guide to whether CBD oil expires explains why heat and light matter.
• Use a spray for precision. A metered spray gives the same amount every time, so you don't waste oil on an over-filled pipette. See our spray vs drops comparison.
• Stick to a routine. Taking CBD at the same time each day makes it easy to know when you'll need a refill.

When should you reorder?

Count back about a week from the date your bottle will run out, and reorder then. Delivery is free across the UK, and ordering a week early means there's no gap in your routine. If you use more than one format, The Bullet Box brings the 6000mg Mint Spray, 100 CBD gummies and 500ml of Pure C8 MCT Oil together for £65.99, saving £17.94 compared with buying them separately.

Frequently asked questions

How long does a 1000mg bottle of CBD oil last?

It depends on the bottle size and how much you take. Our 1000mg 30ml oil gives about 60 half-millilitre servings, while our 1000mg 10ml oil gives about 20. At 10mg a day, any 1000mg product lasts about 100 days.

How many sprays are in a bottle of CBD spray?

Our 6000mg Mint Spray holds around 300 sprays, and our 1000mg Orange Spray holds around 80. Counts are approximate, so check your label.

How long does a tub of CBD gummies last?

A tub of BulletCBD 1000mg Gummies contains 100 gummies at 10mg each, so it lasts 100 days at one gummy a day.

Which BulletCBD product lasts the longest?

The 6000mg Mint Spray, with around 300 sprays per bottle. It's also our best value, at £5.83 per 1000mg of CBD.

Does CBD oil go off once it's opened?

CBD oil has a best-before date and is best kept cool, dark and sealed. Read our full CBD storage guide for details.

The bottom line

Divide the total mg by what you take each day, and you'll know exactly how long your CBD will last. Then compare products by cost per day or cost per 1000mg, not by the price on the bottle. Every BulletCBD product is made in the UK, FSA-validated, 0% THC and independently lab-tested batch by batch. Find out why athletes choose BulletCBD, or browse the full range.

CBD food supplements are not suitable for under-18s, or for anyone pregnant or breastfeeding. If you take medication, speak to your GP or pharmacist before use. This article is general information, not medical advice. Price comparison source: For The Ageless, "How much does CBD oil cost in the UK?", October 2025.