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Bloom Sparkling Energy — 180mg Caffeine, Prebiotics, 10 Calories

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Bloom Sparkling Energy — 180mg Caffeine, Prebiotics, 10 Calories

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Bloom Sparkling Energy180mg of natural caffeine from green coffee bean, 10 calories, zero sugar, with prebiotic fibre, L-theanine and lychee extract. No aspartame, no artificial flavours or colours.It sits at an unusual caffeine level, and that is genuinely the most useful thing about it.180mg is a deliberately awkward number — and it worksAlmost every energy drink lands on 200mg. Bloom sits just below at 180mg, and in practice that small gap matters more than it looks.200mg is exactly half the 400mg daily figure the FDA cites for healthy adults, which means two cans put you at your ceiling with nothing left for coffee. At 180mg you have a little more room — and for people who are mildly caffeine sensitive, that 20mg is often the difference between comfortable and slightly wired.It also uses green coffee bean extract rather than caffeine anhydrous. The caffeine molecule is identical, but a plant-derived source comes with the co-occurring compounds of the bean rather than being isolated, which is the basis of the "natural caffeine" claim.Note the 7.5oz cans carry 100mg rather than 180mg, so check the size you are buying.L-theanine is why it feels smootherThis is the ingredient doing the work behind the "no jitters" claim, and it has real research behind it.L-theanine is an amino acid found almost exclusively in tea leaves. It increases alpha brain wave activity — the pattern associated with relaxed, wakeful focus — without causing drowsiness. Taken alongside caffeine it takes the edge off the jitteriness while leaving the alertness intact.That combination is the same one explained on our Caff Plus page, and it is the reason tea feels different from coffee at similar caffeine doses. Tea contains theanine naturally; coffee does not.The prebiotic fibre is a genuine differentiatorAlmost no energy drink contains fibre. Bloom includes prebiotic fibre, which is unusual enough to be worth explaining.Prebiotics are not bacteria — they are fibre that feeds the bacteria already living in your gut. Where a probiotic adds new strains, a prebiotic supports the population you already have.It makes sense given where Bloom came from: the brand built its reputation on a greens powder, and the energy drink carries that gut-health thinking across.Honest note: the fibre dose in a 12oz can is modest, and it is not a substitute for genuine dietary fibre. It is a sensible inclusion rather than a reason to buy.Specs (per 12oz can) Caffeine180mg from green coffee bean extract Calories10 Sugar0g Also containsPrebiotic fibre, L-theanine, lychee extract, green tea extract, ginseng, B vitamins AspartameNone Artificial flavours / coloursNone Vegan, gluten freeYes 7.5oz cans100mg caffeineSweetened with sucralose — worth knowing if you avoid it, though the absence of aspartame and artificial colours is what most people in this category are actually screening for.Where it sits in our cooler BUM Energy112mgLowest stim. Afternoon-safe Bloom Sparkling180mg + theanineJust under the standard dose, smoother CELSIUS200mgMainstream everyday can RYSE Fuel200mg + theanineSame idea, slightly stronger C4 Smart Energy200mg + citicolineCognitive focus specifically Thavage RTD305mgActual pre-workoutBloom and RYSE Fuel are the closest pair — both pair caffeine with theanine for a smoother feel. Bloom is 20mg lighter with prebiotic fibre; RYSE is slightly stronger with a fuller nootropic stack. If caffeine tends to make you jittery, either is a better choice than a plain 200mg can.How to drink it One can. 180mg leaves a little room in a 400mg day, but not much. Morning or early afternoon. Caffeine's half-life is five to six hours — a can at 4pm still leaves around 90mg at 10pm. Not stacked with a pre-workout without adding the caffeine up. As a soda replacement, which is the genuinely useful swap: 10 calories and zero sugar against roughly 150 calories and 39g of sugar.Who this is for Anyone who finds 200mg cans slightly too strong — that 20mg gap is real for some people People who get jittery on caffeine, given the theanine Anyone avoiding aspartame and artificial colours People replacing soda or sugary energy drinks Anyone who likes the brand's greens and wants the same thinking in a canWho this is not forIf you avoid sucralose, this uses it.If you want an afternoon or evening can, 180mg is still substantial. BUM Energy at 112mg is the better late-day option.If you are buying it for the prebiotic fibre, the dose is modest and it does not replace dietary fibre.If you want a pre-workout, this has no citrulline, beta-alanine or creatine. It is an energy drink.Not for anyone under 18, pregnant or nursing.Stack it with: nothing caffeinated. This is close to a full dose.Frequently asked questionsHow much caffeine is in Bloom Sparkling Energy?180mg per 12oz can from green coffee bean extract. The 7.5oz cans contain 100mg instead.Why 180mg rather than 200mg?It sits just under the standard energy drink dose, which leaves slightly more room in a 400mg daily allowance and suits people who find 200mg marginally too much.Does it cause jitters?Less than a plain caffeine drink for most people. The L-theanine increases alpha brain wave activity associated with relaxed focus, which reduces the jittery edge without causing drowsiness.What are the prebiotics for?Prebiotic fibre feeds the bacteria already in your gut, rather than adding new ones as a probiotic would. Unusual in an energy drink, though the dose is modest.Does it contain aspartame?No. It uses sucralose, with no aspartame, artificial flavours or artificial colours.Is it vegan?Yes, and gluten free.Can I drink it before training?Yes, though it contains no citrulline, beta-alanine or creatine — it is an energy drink rather than a pre-workout.How does it compare to CELSIUS?CELSIUS is 200mg with a thermogenic blend. Bloom is 180mg with theanine and prebiotic fibre, aimed at a smoother feel rather than metabolic claims. Read more

Size: 12ct

Flavor: Crisp Apple

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PRODUCT LABEL

Bloom Sparkling Energy

180mg of natural caffeine from green coffee bean, 10 calories, zero sugar, with prebiotic fibre, L-theanine and lychee extract. No aspartame, no artificial flavours or colours.

It sits at an unusual caffeine level, and that is genuinely the most useful thing about it.

180mg is a deliberately awkward number — and it works

Almost every energy drink lands on 200mg. Bloom sits just below at 180mg, and in practice that small gap matters more than it looks.

200mg is exactly half the 400mg daily figure the FDA cites for healthy adults, which means two cans put you at your ceiling with nothing left for coffee. At 180mg you have a little more room — and for people who are mildly caffeine sensitive, that 20mg is often the difference between comfortable and slightly wired.

It also uses green coffee bean extract rather than caffeine anhydrous. The caffeine molecule is identical, but a plant-derived source comes with the co-occurring compounds of the bean rather than being isolated, which is the basis of the "natural caffeine" claim.

Note the 7.5oz cans carry 100mg rather than 180mg, so check the size you are buying.

L-theanine is why it feels smoother

This is the ingredient doing the work behind the "no jitters" claim, and it has real research behind it.

L-theanine is an amino acid found almost exclusively in tea leaves. It increases alpha brain wave activity — the pattern associated with relaxed, wakeful focus — without causing drowsiness. Taken alongside caffeine it takes the edge off the jitteriness while leaving the alertness intact.

That combination is the same one explained on our Caff Plus page, and it is the reason tea feels different from coffee at similar caffeine doses. Tea contains theanine naturally; coffee does not.

The prebiotic fibre is a genuine differentiator

Almost no energy drink contains fibre. Bloom includes prebiotic fibre, which is unusual enough to be worth explaining.

Prebiotics are not bacteria — they are fibre that feeds the bacteria already living in your gut. Where a probiotic adds new strains, a prebiotic supports the population you already have.

It makes sense given where Bloom came from: the brand built its reputation on a greens powder, and the energy drink carries that gut-health thinking across.

Honest note: the fibre dose in a 12oz can is modest, and it is not a substitute for genuine dietary fibre. It is a sensible inclusion rather than a reason to buy.

Specs (per 12oz can)

Caffeine	180mg from green coffee bean extract
Calories	10
Sugar	0g
Also contains	Prebiotic fibre, L-theanine, lychee extract, green tea extract, ginseng, B vitamins
Aspartame	None
Artificial flavours / colours	None
Vegan, gluten free	Yes
7.5oz cans	100mg caffeine

Sweetened with sucralose — worth knowing if you avoid it, though the absence of aspartame and artificial colours is what most people in this category are actually screening for.

Where it sits in our cooler

BUM Energy	112mg	Lowest stim. Afternoon-safe
Bloom Sparkling	180mg + theanine	Just under the standard dose, smoother
CELSIUS	200mg	Mainstream everyday can
RYSE Fuel	200mg + theanine	Same idea, slightly stronger
C4 Smart Energy	200mg + citicoline	Cognitive focus specifically
Thavage RTD	305mg	Actual pre-workout

Bloom and RYSE Fuel are the closest pair — both pair caffeine with theanine for a smoother feel. Bloom is 20mg lighter with prebiotic fibre; RYSE is slightly stronger with a fuller nootropic stack. If caffeine tends to make you jittery, either is a better choice than a plain 200mg can.

How to drink it

One can. 180mg leaves a little room in a 400mg day, but not much.
Morning or early afternoon. Caffeine's half-life is five to six hours — a can at 4pm still leaves around 90mg at 10pm.
Not stacked with a pre-workout without adding the caffeine up.
As a soda replacement, which is the genuinely useful swap: 10 calories and zero sugar against roughly 150 calories and 39g of sugar.

Who this is for

Anyone who finds 200mg cans slightly too strong — that 20mg gap is real for some people
People who get jittery on caffeine, given the theanine
Anyone avoiding aspartame and artificial colours
People replacing soda or sugary energy drinks
Anyone who likes the brand's greens and wants the same thinking in a can

Who this is not for

If you avoid sucralose, this uses it.

If you want an afternoon or evening can, 180mg is still substantial. BUM Energy at 112mg is the better late-day option.

If you are buying it for the prebiotic fibre, the dose is modest and it does not replace dietary fibre.

If you want a pre-workout, this has no citrulline, beta-alanine or creatine. It is an energy drink.

Not for anyone under 18, pregnant or nursing.

Stack it with: nothing caffeinated. This is close to a full dose.

Frequently asked questions

How much caffeine is in Bloom Sparkling Energy?
180mg per 12oz can from green coffee bean extract. The 7.5oz cans contain 100mg instead.

Why 180mg rather than 200mg?
It sits just under the standard energy drink dose, which leaves slightly more room in a 400mg daily allowance and suits people who find 200mg marginally too much.

Does it cause jitters?
Less than a plain caffeine drink for most people. The L-theanine increases alpha brain wave activity associated with relaxed focus, which reduces the jittery edge without causing drowsiness.

What are the prebiotics for?
Prebiotic fibre feeds the bacteria already in your gut, rather than adding new ones as a probiotic would. Unusual in an energy drink, though the dose is modest.

Does it contain aspartame?
No. It uses sucralose, with no aspartame, artificial flavours or artificial colours.

Is it vegan?
Yes, and gluten free.

Can I drink it before training?
Yes, though it contains no citrulline, beta-alanine or creatine — it is an energy drink rather than a pre-workout.

How does it compare to CELSIUS?
CELSIUS is 200mg with a thermogenic blend. Bloom is 180mg with theanine and prebiotic fibre, aimed at a smoother feel rather than metabolic claims.