What Quinton is and where it comes from
Quinton is a sterile filtered seawater solution harvested from specific "plankton blooms" — ocean zones with exceptional concentrations of phyto- and zooplankton. It is not ordinary seawater nor brine. A plankton bloom is a biologically active zone in which the mineral matrix of seawater is transformed by microbial metabolism into a complex that additionally contains amino acids, oligopeptides, fatty acids and trace nucleotides.
The material is cold-filtered under sterile conditions (without heat sterilisation, which would denature sensitive components) and packaged in various formats — from larger bottles for daily drinking down to small glass ampoules designed for specialised applications. For routine oral use the ampoule is not necessary; it is simply a premium (and far more expensive) format intended for clinical or injection use.
A short history
The French physiologist René Quinton formulated in 1897 the hypothesis that the internal environment of the human body — extracellular fluid, blood plasma, lymph — corresponds in its mineral composition to the seawater from which life originated. He built on the work of Claude Bernard, who in the 1860s described the concept of milieu intérieur as a foundation of physiology.
The dog at the Sorbonne — the founding experiment (1897)
To prove the theory, Quinton conducted at the Paris Sorbonne an experiment that became the symbol of his entire work. In the laboratory of the Collège de France he drained an anaesthetised dog of practically all its blood and replaced it with isotonic diluted seawater — that is, seawater adjusted to the osmolarity of blood plasma. Not only did the dog survive, but within a few days it returned to normal behaviour, its blood count recovered, and according to contemporary records it lived on for several years without signs of damage.
It was an image the scientific community of the day could not ignore: a seawater solution is compatible enough with the internal environment of a mammal that it can temporarily stand in for blood plasma. No amount of chemical tables would have carried this idea as forcefully as a single surviving dog.
The experiment opened the way for the founding of the first "marine dispensary" in Paris in 1907 and for the use of marine plasma in dozens of further facilities across France and North Africa. Throughout the first half of the 20th century Quinton was routinely used as rehydration and supportive therapy. With the rise of modern medicine and synthetic pharmacology this indication retreated. After 2000 Quinton returned as an oral supplement — today it is distributed as a nutraceutical (in the EU notified as a food supplement).
Composition — what's in the solution and how it compares to plasma
Mineral profile
Hypertonic Quinton marine plasma contains roughly ~33 g/l total salinity — matching average ocean salinity. The isotonic form is diluted with source water (typically a distilled source) down to ~9 g/l, the salinity of human blood plasma (~0.9 % NaCl equivalent). Major minerals and approximate ratios:
- Sodium (Na⁺) — primary extracellular cation, ~140 mmol/l in plasma
- Chloride (Cl⁻) — primary anion, ~100 mmol/l
- Magnesium (Mg²⁺) — cofactor for 300+ enzymes, critical for mitochondrial function
- Calcium (Ca²⁺) — neuromuscular function, coagulation
- Potassium (K⁺) — primary intracellular cation, central to cellular energetics
- Trace elements — zinc, selenium, iodine, lithium, copper, manganese, chromium, boron, vanadium, molybdenum and others (~70+)
The main value is not in any single mineral — those can be obtained from isolated supplements. The value lies in the complete spectrum in biologically congruent ratios. The body is optimised for distributed mineral intake from food and water, not for megadoses of individual ions.
What Quinton is not
Quinton is not comparable to Himalayan salt, Celtic salt or salt from inland salt deposits. Those salts are fossilised seawater — a complete mineral spectrum, but typically without the biologically active fraction (oligopeptides, plankton-derived fatty acids, micronutrients degraded over millions of years). They are legitimate mineral sources, but a different product category.
Isotonic vs. hypertonic — two tools
Isotonic form (~9 g/l)
Isotonic Quinton matches the osmolarity of blood plasma. The body absorbs it without osmotic load, without needing to regulate. Suitable for:
- Daily hydration support — replaces ordinary mineral water but with the full spectrum of elements
- Periods of stress, fatigue, weakness — when you want a "gentle" electrolyte without stimulation
- Evening use — does not activate the sympathetic system, does not interfere with sleep onset
- Children, older adults, sensitive individuals — minimal renal and metabolic load
- GLP-1 therapy with nausea — where the hypertonic form might worsen the sense of fullness
Hypertonic form (~33 g/l)
The hypertonic form is ~3.3× more concentrated. After ingestion the body responds with active osmotic regulation — releasing stored minerals and mobilising hydration. Clinically it presents as a mild stimulation. Suitable for:
- Morning, in place of coffee — energising effect without caffeine overshoot
- Pre-workout — electrolyte preload
- Acute mineralisation — after sauna, long sport, hot day
- Reset after a long deficit — short, intensive dose
Practical choice
For most people it makes sense to combine: hypertonic in the morning (1 serving), isotonic in the evening (1 serving). On GLP-1 therapy with gastrointestinal symptoms, usually isotonic only — hypertonic can worsen discomfort during periods of nausea.
Practical use — dosing and timing
Standard protocol
- Maintenance dose: ~10 ml isotonic daily (typically one serving from a bottle or one small ampoule), fasted or between meals
- Active support: 2 servings daily (1 hypertonic in the morning, 1 isotonic in the evening), 6–12 weeks
- Intensive mineralisation (after a long deficit, athletic camp, convalescence): 3–4 servings daily for 2–4 weeks, then back to maintenance
Timing
Quinton is best absorbed fasted or 15–20 minutes before a meal. The oral mucosa absorbs part of the minerals directly (sublingual route) — so it makes sense not to swallow the serving in one go but to hold it in the mouth for 30–60 seconds. After a high-fat meal absorption slows.
Combining with food and supplements
- With coffee: hypertonic 15 minutes before coffee — either instead of it, or as a preload
- With vitamin C: well compatible, even synergistic (vitamin C improves absorption of some minerals)
- With isolated iron or zinc: separate by at least 2 hours — high iron doses compete for transporters
- With peptide injection: no interaction; Quinton can be taken at any time relative to the injection
Safety and duration
At common doses (1–2 servings daily) Quinton is well tolerated long-term. The salty taste can be limiting for some people — diluting in a little water solves it. The effect on hydration and energy typically appears within weeks, not days.
Synergy with peptide therapy
GLP-1 agonists (Retatrutide, Semaglutide, Tirzepatide)
This is the area where Quinton makes the clearest practical sense. GLP-1 agonists substantially reduce food and fluid intake — typically by 20–40 % during the first weeks. The consequences are:
- Reduced intake of sodium, potassium and magnesium from food
- Subclinical dehydration despite covered thirst
- Fatigue, headaches, muscle cramps ("Ozempic flu")
- Weakness or dizziness in weeks 2–4 of titration
Most of these symptoms are not a direct drug side effect, but a consequence of electrolyte deprivation. Isotonic Quinton 1–2× daily markedly improves this profile without interfering with the GLP-1 mechanism (which acts via the nucleus accumbens and vagal afferents, not through electrolyte balance).
Regenerative peptides (BPC-157, TB-500)
BPC-157 and TB-500 support tissue healing (tendons, ligaments, mucosa, muscle). Clinical efficacy depends on the quality of the "terrain" into which the signal arrives — a cell deficient in magnesium, zinc or manganese cannot optimally execute repair, even with an ideal signalling peptide. Quinton delivers the trace elements most often deficient in ordinary diet (zinc, selenium, iodine, manganese, copper) — exactly those acting as cofactors for metalloproteinases, antioxidant enzymes and ECM remodelling.
NAD+ and metabolic protocols
NAD+ precursors (NR, NMN) and mitochondrial activators only work as well as the ionic and redox balance in the cytosol and mitochondrial matrix allows. Magnesium is a cofactor of ATP synthase; manganese and zinc of SOD; selenium of glutathione peroxidase. Without them, no NAD+ protocol delivers its full potential.
Athletic and performance peptides
For IGF-1, GH secretagogues (Sermorelin, CJC-1295, Ipamorelin) and combined protocols, electrolyte balance is critical for: muscle recovery, cramp prevention, thermoregulation, sleep quality and nocturnal GH secretion. Hypertonic pre-training + isotonic post-training is a meaningful routine.
Semax / Selank (cognitive peptides)
For intranasal neuropeptides with short half-lives, peripheral hydration and glycaemia are among the main factors determining how strongly the effect manifests. Quinton plays no direct role in the mechanism here, but stable hydration between doses improves the consistency of subjective effect.
Cost vs. value — the most affordable complete mineral supplement
If you tried to build an equivalent mineral spectrum from isolated supplements, you would run into three problems:
- Fragmentation: isolated supplements cover only partial elements (magnesium, zinc, selenium, iodine, potassium, etc.). To cover the full spectrum you need 8–12 different products.
- Cost: high-quality forms of isolated minerals (bisglycinates, citrates, methylated complexes) at daily doses add up to roughly $60–$120 per month. Plus the organisational overhead of timing and interactions.
- Imbalance: isolated megadoses compete for transporters (zinc vs. copper, calcium vs. magnesium, iron vs. zinc) and ultimately undermine what they were supposed to support.
Quinton solves all three at once. Per daily serving it is the most affordable complete mineral matrix on the market — not because the material is cheap, but because it replaces 8–12 isolated supplements simultaneously. Monthly cost of a routine daily serving is a fraction of what equivalent coverage costs in isolated forms.
Why this holds even for quality products
The key input is seawater from a plankton bloom — a raw material biologically manufactured by the ocean over millions of years and costing the producer very little. Costs sit in logistics, filtration, sterilisation, heavy-metal control and packaging. The material burden is incomparably lower than for synthetic chelation of trace minerals. Even Quinton in a premium format is significantly cheaper than equivalent coverage in isolated forms.
Where to buy Quinton in Czechia
In Czechia there are two main sources, each with a different purpose:
- bohemar.cz — for everyday drinking (recommended choice). Bohemar supplies marine plasma (isotonic and hypertonic) in cost-effective formats for routine oral use — typically larger bottles and practical packaging for long-term use. For standard terrain support, mineral replenishment on GLP-1, athletic routine and daily rehydration it offers by far the best price/performance ratio on the Czech market. Bohemar is the reason Quinton can genuinely be the cheapest complete mineral supplement — without the large-format packaging, cost per daily serving would be many times higher.
- quinton.cz — for specialised applications (expensive). Quinton.cz offers the original product in small glass ampoules. Ampoules are intended for specific scenarios: percutaneous hydrotomy, subcutaneous use, intravenous use by clinicians, sterile injection routine. Cost per unit volume is an order of magnitude higher than Bohemar formats — it only makes sense where single-use ampoule sterility and small volume have real functional value (typically injection use). For routine oral drinking the ampoule is an unnecessarily expensive choice.
What makes a quality Quinton product
Quinton is not complicated chemistry, but it is a sensitive biological matrix that improper processing easily ruins. Before buying, verify:
- Origin in a plankton bloom — not merely filtered seawater or brine
- Cold sterile microfiltration — without heat sterilisation, which denatures labile components
- Packaging appropriate to purpose — for daily drinking a quality larger bottle (Bohemar) is enough; for injection/sterile use a small glass ampoule (quinton.cz) is appropriate. A larger bottle for drinking is not a weaker product — it is just a more practical and far cheaper format of the same raw material.
- No preservatives, additives or sweeteners — only seawater (optionally diluted with distilled water for the isotonic form)
- Original source with tradition — products with verified origin (typically French) and analytical certificates for heavy-metal content
What Quinton is not
- It is not a "super food" in the marketing sense — it contains no significant calories, macronutrients or vitamins. It is a mineral matrix, not complete nutrition.
- It is not a sodium supplement in isotonic form — concentrations are designed for physiological match with plasma, not for the electrolyte "waterfall" approach of LMNT-style products.
- It is not the therapy described in the dramatic stories from the turn of the century — it is daily terrain support, not treatment.
- It is not an instant effect — results on hydration, energy and sleep quality typically appear over weeks, not days.