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I-Prevail Forge Pump V2 — Stim-Free Pump with Amentoflavone and Lion's Mane

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I-Prevail Forge Pump V2A stimulant-free pump formula with two forms of citrulline, HydroPrime glycerol, beet root extract, agmatine, and a nootropic layer of lion's mane and amentoflavone.Let's do the citrulline arithmetic properlyForge Pump V2 lists 4g of L-citrulline malate plus 2g of L-citrulline, and this is commonly described as "6g of citrulline."It is not 6g of citrulline.Citrulline malate is citrulline bonded to malic acid at roughly 2:1, so about a third of that weight is malic acid rather than citrulline: 4g citrulline malate≈ 2.7g actual citrulline 2g pure L-citrulline= 2g actual citrulline Real total≈ 4.7g citrulline4.7g is a working dose, but it sits below the 6 to 8g range the research supports for pump and endurance benefits.We would rather tell you that than repeat a number that adds two different things as though they were the same. If citrulline volume is what you want, NITR-OX delivers 10g of pure citrulline and NovaPump delivers 8g of malate — around 5.3g actual.Buy Forge Pump V2 for what it does differently, which is the mechanisms alongside the citrulline.Amentoflavone is the genuinely novel ingredientThis is what V2 added, and it is rare enough to be worth explaining.Amentoflavone is a biflavonoid — a compound found in plants including St John's wort and ginkgo. Its most discussed mechanism in sports nutrition is phosphodiesterase inhibition.Why that matters for a pump product: nitric oxide produces vasodilation by raising cGMP inside blood vessel walls. Phosphodiesterase is the enzyme that breaks cGMP down. Inhibiting it means the cGMP your nitric oxide produced lasts longer.So amentoflavone does not add more nitric oxide — it slows the breakdown of the signal nitric oxide creates. That is genuinely complementary to citrulline rather than duplicative, and it is the same logic as agmatine protecting arginine.The honest part: human research on amentoflavone for pumps or performance is very limited. The mechanism is plausible and interesting; the evidence is preliminary. Treat it as the reason this product is different, not as a proven effect.I-Prevail also cite an effect on muscle calcium handling and contraction. That is a further claim with even less human data behind it.Four mechanisms working together Citrulline (2 forms)Supplies arginine — substrate for nitric oxide production Beet root extractNitrate pathway — bypasses the enzyme entirely Agmatine sulfateInhibits arginase, so arginine lasts longer AmentoflavoneSlows breakdown of cGMP, extending the signalPlus HydroPrime glycerol, which is not nitric oxide at all — it draws water into muscle cells for fullness.That is a well-thought-out structure: supply, alternative route, protect the precursor, extend the signal, and add cell volume. The design is better than the citrulline number alone suggests.⚠ Skip antibacterial mouthwash on training daysThe beet root extract is a nitrate source, so this applies.The first step of the nitrate pathway is performed by bacteria on the back of your tongue, converting nitrate to nitrite. Your own cells do not do it. Antibacterial mouthwash kills them, and research on dietary nitrate shows this substantially blunts the effect.Worth noting the dose: V2 lists 500mg of beet root extract, where the original Forge Pump used 1 to 2g. If the nitrate pathway is what you are after, that is a reduction — and unstandardised beet root extracts vary considerably in nitrate content anyway.What the glycerol actually yieldsHydroPrime is a 65% yield glycerol powder, so 2g delivers around 1.3g of actual glycerol. Glycerol needs a carrier to exist as a stable powder, which is where the other 35% goes.That is a normal amount for a powdered product. For context, our liquid Pump Script delivers 23g of actual glycerol — a different scale entirely, and a different product for a different job.Glycerol relocates water rather than creating it, so hydration determines whether it works. Drink properly around this.Specs L-Citrulline Malate4g (~2.7g citrulline) L-Citrulline2g Actual citrulline total~4.7g HydroPrime glycerol (65%)2g (~1.3g glycerol) Beet Root Extract500mg Also containsAgmatine sulfate, taurine, pink Himalayan salt, potassium, lion's mane, amentoflavone StimulantsNone Servings20 Made inUSALion's mane is included for the mind-muscle connection. Studied in relation to nerve growth factor — though as on our other pages, the doses in pre-workouts are typically well below those used in research.Pink Himalayan salt and potassium support fluid balance, which matters when glycerol is moving water around.Forge Pump or Forge Pump V2? Forge Pump (original)Forge Pump V2 Citrulline~4.7g actual~4.7g actual Glycerol1–2g HydroPrime2g HydroPrime Beet root1–2g500mg AmentoflavoneNoYes Servings40/2020V2 adds amentoflavone and reduces beet root. Whether that is an upgrade depends on which mechanism you value — a novel PDE-inhibition ingredient, or a larger nitrate dose. The original also offered a 40-serving half-dose option, which V2 does not.Where it sits among our pump products Forge Pump V2~4.7g citrulline + amentoflavoneMost novel mechanism NovaPump8g malate + 4g GlycerPumpMost complete all-rounder NITR-OX10g pure citrullineHighest citrulline Pump Script23g liquid glycerolCell volumisation specialistHonestly, NovaPump and NITR-OX deliver more raw material. Forge Pump V2's case is the amentoflavone and the nootropic layer — a different angle rather than a bigger dose.How to take it One scoop in 8 to 12oz of water, 30 minutes before training. Drink plenty of water — the glycerol depends on it. Skip antibacterial mouthwash on training days. Stacks with any pre-workout — no stimulants at all. Do not add another citrulline product unless you specifically want more.Who this is for Anyone who wants a pump product with a genuinely different mechanism rather than more citrulline People training late who cannot take stimulants Anyone stacking with an existing pre-workout People who want a nootropic element in a stim-free product Anyone already using I Prevail Rogue X or Amino Impact who wants to stay within the brandWho this is not forIf citrulline volume is your priority, this delivers about 4.7g — below the researched range. NITR-OX gives you 10g.If you want maximum glycerol, Pump Script delivers around eighteen times as much.If you want energy, there are no stimulants here at all.If you are buying it for amentoflavone specifically, understand the human evidence is preliminary.Not for anyone under 18, pregnant or nursing. Speak to your doctor before use if you take blood pressure medication — several ingredients here affect vasodilation, and phosphodiesterase inhibition is a mechanism shared with some prescription medications.Stack it with: your usual pre-workout, or creatine. See our creatine range.Frequently asked questionsDoes it really contain 6g of citrulline?No. It contains 4g of citrulline malate plus 2g of pure citrulline. Since citrulline malate is roughly two-thirds citrulline, the actual total is around 4.7g — a working dose, but below the 6 to 8g researched range.What is amentoflavone?A biflavonoid that acts as a phosphodiesterase inhibitor. Nitric oxide produces vasodilation by raising cGMP; phosphodiesterase breaks cGMP down. Inhibiting it makes the signal last longer — complementary to citrulline rather than duplicating it.Is there good evidence for amentoflavone?Human research on it for pumps or performance is very limited. The mechanism is plausible; the evidence is preliminary.Why does mouthwash matter?The beet root extract is a nitrate source, and converting nitrate to nitrite depends on bacteria on your tongue. Antibacterial mouthwash kills them.How much glycerol is in 2g of HydroPrime?About 1.3g, since HydroPrime is a 65% yield powder.What changed from the original Forge Pump?V2 adds amentoflavone and reduces beet root extract from 1–2g to 500mg. Citrulline is comparable.Can I stack it with my pre-workout?Yes — it is completely stimulant-free.Should I take it if I'm on blood pressure medication?Speak to your doctor. Several ingredients affect vasodilation, and phosphodiesterase inhibition is a mechanism shared with some prescription drugs. Read more

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PRODUCT LABEL

I-Prevail Forge Pump V2

A stimulant-free pump formula with two forms of citrulline, HydroPrime glycerol, beet root extract, agmatine, and a nootropic layer of lion's mane and amentoflavone.

Let's do the citrulline arithmetic properly

Forge Pump V2 lists 4g of L-citrulline malate plus 2g of L-citrulline, and this is commonly described as "6g of citrulline."

It is not 6g of citrulline.

Citrulline malate is citrulline bonded to malic acid at roughly 2:1, so about a third of that weight is malic acid rather than citrulline:

4g citrulline malate	≈ 2.7g actual citrulline
2g pure L-citrulline	= 2g actual citrulline
Real total	≈ 4.7g citrulline

4.7g is a working dose, but it sits below the 6 to 8g range the research supports for pump and endurance benefits.

We would rather tell you that than repeat a number that adds two different things as though they were the same. If citrulline volume is what you want, NITR-OX delivers 10g of pure citrulline and NovaPump delivers 8g of malate — around 5.3g actual.

Buy Forge Pump V2 for what it does differently, which is the mechanisms alongside the citrulline.

Amentoflavone is the genuinely novel ingredient

This is what V2 added, and it is rare enough to be worth explaining.

Amentoflavone is a biflavonoid — a compound found in plants including St John's wort and ginkgo. Its most discussed mechanism in sports nutrition is phosphodiesterase inhibition.

Why that matters for a pump product: nitric oxide produces vasodilation by raising cGMP inside blood vessel walls. Phosphodiesterase is the enzyme that breaks cGMP down. Inhibiting it means the cGMP your nitric oxide produced lasts longer.

So amentoflavone does not add more nitric oxide — it slows the breakdown of the signal nitric oxide creates. That is genuinely complementary to citrulline rather than duplicative, and it is the same logic as agmatine protecting arginine.

The honest part: human research on amentoflavone for pumps or performance is very limited. The mechanism is plausible and interesting; the evidence is preliminary. Treat it as the reason this product is different, not as a proven effect.

I-Prevail also cite an effect on muscle calcium handling and contraction. That is a further claim with even less human data behind it.

Four mechanisms working together

Citrulline (2 forms)	Supplies arginine — substrate for nitric oxide production
Beet root extract	Nitrate pathway — bypasses the enzyme entirely
Agmatine sulfate	Inhibits arginase, so arginine lasts longer
Amentoflavone	Slows breakdown of cGMP, extending the signal

Plus HydroPrime glycerol, which is not nitric oxide at all — it draws water into muscle cells for fullness.

That is a well-thought-out structure: supply, alternative route, protect the precursor, extend the signal, and add cell volume. The design is better than the citrulline number alone suggests.

⚠ Skip antibacterial mouthwash on training days

The beet root extract is a nitrate source, so this applies.

The first step of the nitrate pathway is performed by bacteria on the back of your tongue, converting nitrate to nitrite. Your own cells do not do it. Antibacterial mouthwash kills them, and research on dietary nitrate shows this substantially blunts the effect.

Worth noting the dose: V2 lists 500mg of beet root extract, where the original Forge Pump used 1 to 2g. If the nitrate pathway is what you are after, that is a reduction — and unstandardised beet root extracts vary considerably in nitrate content anyway.

What the glycerol actually yields

HydroPrime is a 65% yield glycerol powder, so 2g delivers around 1.3g of actual glycerol. Glycerol needs a carrier to exist as a stable powder, which is where the other 35% goes.

That is a normal amount for a powdered product. For context, our liquid Pump Script delivers 23g of actual glycerol — a different scale entirely, and a different product for a different job.

Glycerol relocates water rather than creating it, so hydration determines whether it works. Drink properly around this.

Specs

L-Citrulline Malate	4g (~2.7g citrulline)
L-Citrulline	2g
Actual citrulline total	~4.7g
HydroPrime glycerol (65%)	2g (~1.3g glycerol)
Beet Root Extract	500mg
Also contains	Agmatine sulfate, taurine, pink Himalayan salt, potassium, lion's mane, amentoflavone
Stimulants	None
Servings	20
Made in	USA

Lion's mane is included for the mind-muscle connection. Studied in relation to nerve growth factor — though as on our other pages, the doses in pre-workouts are typically well below those used in research.

Pink Himalayan salt and potassium support fluid balance, which matters when glycerol is moving water around.

Forge Pump or Forge Pump V2?

	Forge Pump (original)	Forge Pump V2
Citrulline	~4.7g actual	~4.7g actual
Glycerol	1–2g HydroPrime	2g HydroPrime
Beet root	1–2g	500mg
Amentoflavone	No	Yes
Servings	40/20	20

V2 adds amentoflavone and reduces beet root. Whether that is an upgrade depends on which mechanism you value — a novel PDE-inhibition ingredient, or a larger nitrate dose. The original also offered a 40-serving half-dose option, which V2 does not.

Where it sits among our pump products

Forge Pump V2	~4.7g citrulline + amentoflavone	Most novel mechanism
NovaPump	8g malate + 4g GlycerPump	Most complete all-rounder
NITR-OX	10g pure citrulline	Highest citrulline
Pump Script	23g liquid glycerol	Cell volumisation specialist

Honestly, NovaPump and NITR-OX deliver more raw material. Forge Pump V2's case is the amentoflavone and the nootropic layer — a different angle rather than a bigger dose.

How to take it

One scoop in 8 to 12oz of water, 30 minutes before training.
Drink plenty of water — the glycerol depends on it.
Skip antibacterial mouthwash on training days.
Stacks with any pre-workout — no stimulants at all.
Do not add another citrulline product unless you specifically want more.

Who this is for

Anyone who wants a pump product with a genuinely different mechanism rather than more citrulline
People training late who cannot take stimulants
Anyone stacking with an existing pre-workout
People who want a nootropic element in a stim-free product
Anyone already using I Prevail Rogue X or Amino Impact who wants to stay within the brand

Who this is not for

If citrulline volume is your priority, this delivers about 4.7g — below the researched range. NITR-OX gives you 10g.

If you want maximum glycerol, Pump Script delivers around eighteen times as much.

If you want energy, there are no stimulants here at all.

If you are buying it for amentoflavone specifically, understand the human evidence is preliminary.

Not for anyone under 18, pregnant or nursing. Speak to your doctor before use if you take blood pressure medication — several ingredients here affect vasodilation, and phosphodiesterase inhibition is a mechanism shared with some prescription medications.

Stack it with: your usual pre-workout, or creatine. See our creatine range.

Frequently asked questions

Does it really contain 6g of citrulline?
No. It contains 4g of citrulline malate plus 2g of pure citrulline. Since citrulline malate is roughly two-thirds citrulline, the actual total is around 4.7g — a working dose, but below the 6 to 8g researched range.

What is amentoflavone?
A biflavonoid that acts as a phosphodiesterase inhibitor. Nitric oxide produces vasodilation by raising cGMP; phosphodiesterase breaks cGMP down. Inhibiting it makes the signal last longer — complementary to citrulline rather than duplicating it.

Is there good evidence for amentoflavone?
Human research on it for pumps or performance is very limited. The mechanism is plausible; the evidence is preliminary.

Why does mouthwash matter?
The beet root extract is a nitrate source, and converting nitrate to nitrite depends on bacteria on your tongue. Antibacterial mouthwash kills them.

How much glycerol is in 2g of HydroPrime?
About 1.3g, since HydroPrime is a 65% yield powder.

What changed from the original Forge Pump?
V2 adds amentoflavone and reduces beet root extract from 1–2g to 500mg. Citrulline is comparable.

Can I stack it with my pre-workout?
Yes — it is completely stimulant-free.

Should I take it if I'm on blood pressure medication?
Speak to your doctor. Several ingredients affect vasodilation, and phosphodiesterase inhibition is a mechanism shared with some prescription drugs.