What does it mean that health starts at the cell?

It means we look one layer underneath the organ or the symptom. Every organ is made of cells, and those cells share the same basic jobs — sensing signals, exchanging nutrients and waste, making energy, building tissue, maintaining themselves, and adapting. When we support those jobs with the right raw materials, the whole system tends to work more smoothly. It is a lens for understanding the body, not a replacement for your doctor.

What are deficiency and toxicity?

They are the two most common ways a cell gets into trouble. Deficiency is when a cell runs short on a raw material it needs, like a mineral, vitamin, or healthy fat. Toxicity is when a cell carries a burden it struggles to clear, like heavy metals or chronic excess. Both are things you can learn about and work on, and often they show up together.

Is The Holistic Hub a substitute for medical care?

No. Everything here is education about how the body works at the cellular level, built to sit alongside your relationship with your own provider, not replace it. We are careful to keep our claims qualitative and grounded, and we point to real sources so you can read further yourself.

Where should I start?

Cell 101 is the plainest on-ramp — it walks you through the whole model in one read. From there, the Start Here page lays out three simple first moves, one from each world (Cell, Mind, and Meaning), and the free tools let you put something into practice today at no cost.

Phosphatidylserine | Ingredient

EmergingCell

Emerging. The cortisol-blunting effect has real small RCTs behind it but has not been replicated at scale, and effect sizes are modest — it appears in commercial blends (e.g., Cortitrol) sometimes at doses below what the positive trials used, so check the label dose.

How it works

Exchange — normally confined to the inner leaflet of the cell membrane; its externalization is a recognized 'eat-me' signal for immune clearance of dying cells
Sense — involved in cell-surface signaling complexes, including neuronal synaptic membranes
Regulate — small human RCTs show phosphatidylserine supplementation can blunt the cortisol spike from acute exercise or psychological stress
Maintain — concentrated in neuronal membranes, proposed (though not firmly established) to support synaptic membrane integrity with aging

ServesSense Exchange Build Maintain Process Regulate

Form matters

The same nutrient can be made in very different forms — and a study done on one form does not automatically apply to another. Methylcobalamin is not cyanocobalamin; magnesium glycinate is not magnesium oxide; a whole-food extract is not the synthetic isolate that was studied. Two things decide whether what is in the bottle behaves like the research: the exact form, and independent lab verification (a Certificate of Analysis) that the form and dose on the label are truly what is inside. Without a COA, you are trusting a label, not the science.

Works well with

Cortitrol Encephalon

Related nutrientsGinkgo biloba DHA (Omega-3)Choline

The science on Phosphatidylserine

Balanced by design — we show supporting and contradicting findings. Search all studies

Found in these products

CortitrolMood & Hormones EncephalonBrain & Sleep

Phosphatidylserine

How it works

Form matters

Works well with

The science on Phosphatidylserine

Phosphatidylserine is a component of the gradient-tracking machine in mating yeast.

The cognitive effects of supplementation with sunflower phosphatidyl serine in healthy children aged 8 to 12 years: a randomized controlled trial

Extracellular vesicles (EVs) in neurodevelopment: The emerging role of lipids.

Phosphatidylserine-Based Liposomes Encapsulating DMX-5804 Protect Against Doxorubicin-Induced Cardiotoxicity.

Trifloxystrobin induces oxidative stress-dependent activation of the OMA1-DELE1-HRI integrated stress response leading to apoptosis in human neuroblastoma cells.

Restricting efferocytosis pathway to CD91 via phosphatidylserine-targeting chimeric protein augments antitumor immune responses.

Found in these products