The Daily Foundation
Black Pepper
Black Pepper
Extract
The spice rack ingredient with a mechanism behind it. 95% piperine. Dosed to make everything else in this formula work harder. 10mg every serving.
10mg per serving · 1.67mg per capsule · 6 capsules daily
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Daily Dose Per Serving
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Piperine Concentration
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Years of Documented Use
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Papers on Bioavailability Enhancement
What It Does
Three things. All proven.
Bioavailability Enhancement
Piperine inhibits intestinal and hepatic enzymes responsible for first-pass metabolism of many nutrients and compounds. The result is that more of what you swallow reaches systemic circulation. Piperine has been documented to increase the bioavailability of curcumin by 2,000%, but the mechanism applies broadly across multiple nutrient categories.
Cognitive & Neurological Support
Piperine inhibits monoamine oxidase (MAO), the enzyme responsible for degrading serotonin, dopamine and noradrenaline. This extends the active life of these neurotransmitters at the synapse. Animal and in vitro research shows neuroprotective effects. Human research supports cognitive benefits including improved memory and antidepressant-adjacent effects.
Gut & Digestive Function
Piperine stimulates digestive enzyme secretion in the pancreas, enhances gut motility and increases the permeability of intestinal epithelial cells in ways that support nutrient absorption. It has documented anti-inflammatory effects in the intestinal mucosa and has been studied for applications in inflammatory bowel conditions.
The Science
The spice rack ingredient with a mechanism behind it.
Black pepper has been used in traditional medicine for over 2,000 years across Ayurvedic and Chinese medical traditions. Its active alkaloid compound, piperine, is responsible for both the characteristic pungency of black pepper and its pharmacological effects. The extract used in this formula is standardised to 95% piperine, meaning that unlike whole black pepper where piperine content varies by growing conditions and processing, every dose delivers a consistent and predictable concentration of the active compound.
Piperine's primary documented mechanism of action is the inhibition of cytochrome P450 enzymes and P-glycoprotein in the intestinal wall and liver. These enzyme systems are responsible for metabolising and effluxing many compounds during their first pass through the gut and liver before they reach systemic circulation. By temporarily inhibiting these systems, piperine extends the time available for absorption and reduces the fraction of a compound that is metabolised before it reaches the bloodstream. The result is higher bioavailability of co-administered compounds.
This mechanism is why black pepper extract appears in comprehensive supplement formulas rather than as a standalone. It does not work independently in the way that the other ingredients in The Daily Foundation do. It works synergistically, amplifying the effective delivery of the nutrients it is combined with. At 10mg of 95% piperine standardised extract, it is present at the dose used in the human bioavailability research that established its effects.
There is black pepper and then there is 95% piperine extract.
Whole black pepper contains approximately 5 to 9% piperine by weight. A typical serving of black pepper in food, roughly half a gram, provides 25 to 45mg of piperine. This sounds adequate but the bioavailability of piperine from whole pepper is substantially lower than from a standardised extract because the piperine is bound within the intact plant matrix that must first be broken down during digestion.
A 95% piperine standardised extract delivers piperine in a form that is immediately available for absorption, without the digestive processing required to release it from plant cell structures. The 10mg dose in this formula, from a 95% standardised extract, delivers a consistent and predictable piperine dose equivalent to what has been used in the human research demonstrating bioavailability enhancement effects.
The standardisation percentage matters for the same reason it matters in any botanical extract. Without it, the piperine content of a black pepper ingredient varies batch to batch based on pepper variety, growing conditions, harvest timing and processing. Standardisation removes this variability and ensures that each capsule delivers what the formula specification states it delivers.
Whole pepper in food and 95% piperine extract in a capsule are not the same thing. One is a spice. The other is a precise delivery mechanism.
Every other ingredient in this formula benefits from this one.
The bioavailability enhancement effect of piperine is not specific to a single nutrient. Research has documented enhanced absorption of vitamins, minerals, amino acids, herbal extracts and pharmaceutical compounds. The mechanism, inhibition of intestinal CYP3A4 and P-glycoprotein, applies broadly across compound classes because these enzymes handle metabolic processing of a wide range of structurally diverse molecules.
Relevant examples from the peer-reviewed literature include enhanced absorption of vitamin B6, beta-carotene, selenium, coenzyme Q10, resveratrol and various herbal extracts at piperine doses in the 5 to 20mg range, which brackets the 10mg used here. The magnitude of enhancement varies by compound from modest improvements to the dramatic 2,000% increase documented with curcumin. For the ingredient types present in The Daily Foundation, particularly the vitamins and botanical extracts, the enhancement is clinically meaningful.
This creates a formulation logic that is often overlooked in supplement design. Including piperine is not about the direct benefits of piperine itself, though those are documented and real. It is about ensuring that the money spent on high-quality, bioavailable forms of every other ingredient in the formula is not partially wasted by suboptimal absorption. Piperine protects the investment in the rest of the formula.
Piperine makes the case for every other ingredient in this formula. Without it, you absorb less of everything. With it, the formula performs closer to its theoretical ceiling.
Why 95% matters and what happens below it.
Piperine content in black pepper extract supplements ranges from approximately 5% in some generic products to 95% in standardised pharmaceutical-grade extracts. The difference is not trivial. A 10mg serving from a 5% extract provides 0.5mg of actual piperine. A 10mg serving from a 95% extract provides 9.5mg. These are not comparable doses and they do not produce comparable effects.
The human research demonstrating bioavailability enhancement has used standardised piperine concentrations in the range of 90 to 95%. Extrapolating those findings to a generic black pepper extract of unknown or low piperine content is scientifically invalid. The 95% standardisation in this formula ensures that the dose on the label corresponds to the dose that actually produces the documented effects.
This is a pattern that appears across multiple ingredients in The Daily Foundation. The form and standardisation of each ingredient is chosen to reflect what the research actually used, not what is cheapest to manufacture. Piperine at 95% standardisation is more expensive than generic pepper extract. The bioavailability enhancement it provides across the rest of the formula justifies that cost.
Who should take it? Anyone taking a multi-ingredient supplement who wants it to actually work.
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Anyone taking a multi-ingredient supplement. The bioavailability enhancement effect of piperine applies to co-administered compounds. Taking piperine alone produces modest direct effects. Taking it alongside the nine other ingredients in The Daily Foundation amplifies the effective delivery of all of them simultaneously.
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Anyone who has questioned why their supplements do not seem to work. Suboptimal absorption is one of the most common and least discussed reasons that supplements produce disappointing results. Piperine addresses this directly by increasing the fraction of each dose that reaches systemic circulation.
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Anyone on a plant-based diet supplementing fat-soluble nutrients. Fat-soluble vitamins including D3 and K2 have variable absorption that piperine has been shown to support. The combination of fat-soluble vitamins with piperine in a single capsule-based formula is a deliberate formulation decision.
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Anyone interested in cognitive support alongside physical performance. The MAO-inhibiting and neuroprotective properties of piperine make it relevant beyond its role as an absorption enhancer. Its direct neurological effects complement the cognitive benefits of the other ingredients in this formula.
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Anyone who values formulation integrity. Including piperine signals that a formula has been designed with bioavailability in mind rather than simply stacking headline ingredients at visually impressive doses without considering how much of those doses actually reach the tissues they are intended for.
The most traded spice in history had a mechanism all along.
Black pepper has been traded across global spice routes for millennia. It was sufficiently valued in ancient Rome that it was used as currency. The traditional use in Ayurvedic medicine specifically referenced its ability to enhance the effects of other compounds taken alongside it, a property recognised empirically long before the cytochrome P450 mechanism was understood.
Modern pharmacological research has confirmed and quantified what traditional medicine observed qualitatively. The inhibition of first-pass metabolism enzymes explains why black pepper has been combined with medicinal herbs in traditional formulations across cultures for thousands of years. The traditional understanding was practically correct. The scientific mechanism took until the 20th century to elucidate.
This convergence of traditional use and modern mechanistic science is relatively rare in the botanical supplement space. For most traditional botanical claims, the evidence is either absent or contradictory. For piperine's bioavailability enhancement effect, the mechanism is understood at the molecular level, the human pharmacokinetic data is robust and the practical application in supplement formulation is straightforward and well-supported.
Two thousand years of traditional use. A well-understood molecular mechanism. Human pharmacokinetic data. This is not a trend ingredient. It is a foundational one.
One practical point that matters for some people.
Because piperine inhibits cytochrome P450 enzymes that are also responsible for metabolising certain medications, there is a drug interaction consideration for anyone on pharmaceutical treatment. Medications metabolised by CYP3A4 and CYP2D6 may have altered blood levels when taken alongside piperine. The clinical significance depends on the medication, dose and individual variation.
If you are taking any prescription medication, particularly immunosuppressants, anticoagulants, antiepileptics, antidepressants or chemotherapy agents, speak to your prescriber before taking black pepper extract. The interaction potential is real and varies by medication class. For people not taking prescription medications, the safety profile of piperine at 10mg daily is clean and well-characterised.
For healthy adults not on affected medications, piperine at this dose presents no meaningful risk. The same enzyme inhibition that creates drug interaction potential is precisely the mechanism that enhances nutrient bioavailability. At 10mg from a 95% standardised extract, it is operating at a dose with extensive human safety data and a specific functional purpose within the formula architecture.
If you take prescription medications, check with your doctor first. For everyone else, 10mg of 95% piperine extract is safe, purposeful and makes the rest of this formula work better.
At a glance
Form
Black Pepper Extract (95% Piperine)
Dose Per Capsule
1.67mg
Daily Serving
10mg (6 capsules)
NRV
Not established
Best Taken
With all other capsules simultaneously for maximum synergistic effect.
Works With
Every ingredient in The Daily Foundation. That is the entire point.
What the Research Shows
Bioavailability
Co-administration with piperine increased curcumin bioavailability by 2,000% in human volunteers.
The landmark 1998 Shoba et al. trial published in Planta Medica administered curcumin with and without 20mg of piperine and measured blood concentrations over time. The piperine group showed 20-fold higher bioavailability. The mechanism, inhibition of intestinal and hepatic glucuronidation alongside reduced intestinal transit time, applies broadly across fat-soluble compounds including those in this formula.
CoQ10
Plasma CoQ10 levels increased 30% with piperine co-administration over 21 days.
Badmaev et al. conducted a randomised human trial adding 5mg of piperine to Coenzyme Q10 supplementation. The piperine group showed 30% higher plasma CoQ10 levels compared to CoQ10 alone. This demonstrated that the bioavailability enhancement extends beyond curcumin to fat-soluble bioactive compounds sharing similar metabolic pathways, including Vitamins D3 and K2.
Mechanism
Piperine inhibits two distinct systems that would otherwise reduce how much of this formula you absorb.
Cytochrome P450 enzymes break down compounds during first-pass metabolism before they reach systemic circulation. P-glycoprotein actively pumps certain compounds back out of intestinal cells. Piperine inhibits both. The result is a greater fraction of co-ingested compounds surviving to enter the bloodstream intact and at therapeutic concentrations.
Neurology
Piperine inhibits the reuptake of serotonin and dopamine. A secondary benefit worth knowing.
Piperine shares a mechanism with certain antidepressant medication classes in that it inhibits monoamine reuptake and monoamine oxidase activity, increasing the duration of dopamine and serotonin availability. Human studies have found modest improvements in cognitive and mood parameters. At 10mg this is a secondary effect but a genuine one with a mechanistic basis.
Interaction note
The same mechanism that makes this formula more effective also means it deserves one note of caution.
CYP3A4 enzymes metabolise not just supplement compounds but a range of pharmaceutical drugs including certain statins, anticoagulants, anticonvulsants and immunosuppressants. Piperine inhibition of CYP3A4 can increase blood levels of these medications. The effect at 10mg is considerably smaller than the well-known grapefruit juice interaction with the same pathway, but it is worth knowing if you are on complex medication with a narrow therapeutic window. Check with your GP or pharmacist before adding piperine supplementation alongside prescription medications of this type.
The ingredient behind every other ingredient. In every serving.
