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News, research and guides
348 articles from our editorial and science team.
GuidesHow to Boost Your Metabolism? 10 Ways With Real Scientific Backing
"Boosting your metabolism" is one of the most overused phrases in the fitness and supplement industry — promised by everything from green tea to drinking cold water, often without mentioning how small most of these effects actually are. We checked ten strategies that genuinely have research support, honestly separating the ones with a real, if modest, effect on energy expenditure from the ones that are marginal at best.
MNMichał Nowak18 min
September 7, 2026
GuidesHow to Increase Strength After 40? 10 Ways Backed by Research
After 40, the loss of muscle mass and strength accelerates — a process called sarcopenia that, left unaddressed, progresses quietly for decades until it starts limiting everyday function. The good news: it's one of the few aging processes that can genuinely be reversed, not just slowed, if you reach for methods that are actually backed by research — not just another supplement from an ad.
MNMichał Nowak20 min
September 7, 2026
GuidesHow to Build Muscle After 40? 10 Rules That Actually Matter
Once you hit 40, people start talking about sarcopenia, falling testosterone, and "anabolic resistance" — and it's easy to believe that building muscle past this age is largely a losing battle against biology. That's not true. The mechanisms that make muscle grow — mechanical tension, protein availability, recovery — work exactly the same after 40 as they did after 25, just with a slightly smaller margin for error. This article collects 10 rules that actually hold up in the research — from how much protein you really need, through training frequency and volume, to the role of sleep and hormonal context — and is honest about which of them have strong evidence and which are reasonable extrapolations from limited data.
PZdr Piotr Zieliński19 min
September 7, 2026
GuidesHow to Lose Belly Fat? 10 Ways Backed by Research
Let's start with something popular guides prefer to stay quiet about: you can't "spot-burn" fat from your belly with crunches alone or a special "love handle" diet. Physiology doesn't allow for it — the body mobilizes fat from across the whole body according to an individual, largely genetically determined pattern, not from wherever you happen to be exercising. The good news is that visceral fat — the type that accumulates around the internal organs of the abdominal cavity, the metabolically most harmful kind of fat tissue — responds to certain interventions more strongly than subcutaneous fat elsewhere on the body. This article collects 10 ways to reduce belly fat that have real, verified research backing — without promises of spot-burning fat from one specific place.
MNMichał Nowak20 min
September 7, 2026
GuidesHow to Reduce Appetite Naturally? 10 Ways That Actually Help Control Hunger
Hunger and appetite aren't a matter of "willpower" — they're a complex, hormonally driven system in which leptin and ghrelin, sleep, meal composition, and stress levels all interact to decide whether you'll reach for a second helping. Popular advice like "just eat less" ignores this physiology, which is exactly why it so often fails. This article gathers 10 ways to naturally reduce appetite that have real, verified support in experimental research — with a clear distinction between effects that are large and solid, and those that are real but modest in numbers.
MNMichał Nowak19 min
September 7, 2026
GuidesHow to Improve Recovery After Training? 10 Ways Backed by Research
Recovery determines whether training actually translates into progress or just accumulating fatigue. The problem is the internet is full of contradictory advice — some tell you to ice-bath after every session, others sell 'recovery' supplements with zero evidence behind them. We go through 10 concrete ways, checking what the research actually shows for each one versus what's just repeated gym-floor lore.
JWJulia Wiśniewska19 min
September 7, 2026
GuidesHow to Increase Testosterone After 40? 10 Ways Worth Trying
If you're over 40 and looking for concrete actions rather than another explanation of what hypogonadism is, this article is for you. Instead of a supplement ranking, we go through 10 things you can actually start doing this week, clearly distinguishing which have strong research backing and which are worth trying but without a guaranteed effect.
PZdr Piotr Zieliński20 min
September 7, 2026
GuidesHow to Lower Blood Pressure Naturally? 10 Evidence-Based Ways
High blood pressure is often called the "silent killer" — it can progress for years without symptoms, while remaining one of the strongest, largely modifiable risk factors for stroke and heart attack. The internet is full of "natural" blood pressure advice, some of it backed by solid clinical trials, some of it unverifiable marketing. We collected ten concrete, natural ways to lower blood pressure, with real numbers from meta-analyses and randomized trials wherever those numbers exist — and an honest note on where the evidence is weaker.
KLdr Katarzyna Lewandowska19 min
September 7, 2026
GuidesHow to Raise HDL Cholesterol? 8 Ways Backed by Real Evidence
HDL is often called "good cholesterol," and the internet is full of advice on raising it — from supplements to drastic diets. The problem is that some of these methods really do raise the HDL number on your bloodwork, yet don't translate into lower risk of heart attack or stroke. We check eight concrete, researched ways to raise HDL — and honestly flag which of them also have evidence for real clinical benefit, and which simply move a number.
KLdr Katarzyna Lewandowska18 min
September 7, 2026
GuidesHow to Improve Heart Health Naturally? 12 Ways Backed by Research
Heart health rarely breaks down because of one bad decision, and it rarely improves because of one good one — it's the sum of dozens of everyday factors, some backed by large randomized trials and some still surrounded by popular oversimplification. We gathered twelve ways to improve cardiovascular health with real scientific documentation — from cholesterol and blood pressure to sleep and stress to quitting smoking — clearly separating what's strongly proven from what's still preliminary.
KLdr Katarzyna Lewandowska21 min
September 7, 2026
GuidesHow to Slow Down Aging? 10 Ways With the Best Scientific Evidence
The "longevity biohacking" market is growing faster than the number of large clinical trials that actually confirm the effectiveness of the methods being sold. We've gathered ten ways to slow down aging, clearly separating, for each one, what's confirmed in human studies from what, for now, is known mainly from animal models — because that distinction, more often skipped than emphasized, is the key to telling real science apart from marketing.
AKdr Anna Kowalczyk20 min
September 7, 2026
GuidesBeefsteak Fungus – How to Cook It? 5 Best Ways to Prepare This Unusual Mushroom
Beefsteak fungus doesn't resemble any other mushroom in the kitchen — not in looks, and not in how you cook it. Its tangy flavor and meaty, fibrous texture mean some classic mushroom recipes simply don't work for it, and some techniques that work beautifully with button mushrooms or porcini actually ruin the effect here. We've gathered five ways to prepare it that genuinely bring out its best qualities — along with the tools you need, common mistakes, and how to store the finished dish.
MNMichał Nowak14 min
September 6, 2026
GuidesBeefsteak Fungus – Can You Eat It? Edibility, Taste, and How to Prepare It
The sight of a sliced beefsteak fungus can be off-putting — its red, 'bleeding' flesh looks more like raw meat than any other forest mushroom. The answer to the edibility question is simple: yes, you can eat it. Things get more interesting once you ask how it actually tastes, how that changes with the age of the fruiting body and the way it's prepared, and whether it's even worth trying raw.
MNMichał Nowak13 min
September 6, 2026
GuidesBeefsteak Fungus in the Kitchen – What to Make With a Mushroom That Looks Like Bloody Meat?
Already have a few beefsteak fungus fruiting bodies in your basket and wondering exactly what to cook with them? This mushroom pairs well with other bold flavors — eggs, cheese, red wine, or roasted root vegetables. We've gathered dish ideas that genuinely play to its strengths — acidity and meaty texture — along with tips on what to pair it with, what to avoid, and what to do if you've foraged more than you can eat right away.
MNMichał Nowak14 min
September 6, 2026
GuidesBeefsteak Fungus in Cream Sauce — Step-by-Step Recipe
Braising in a sauce is the most 'forgiving' way to cook beefsteak fungus — it tones down the mushroom's characteristic sourness and softens its fibrous texture, resulting in a dish that's approachable even for people unsure whether they'll like this unusual species. Below is a simple recipe for beefsteak fungus braised in a cream-and-herb sauce, step by step, along with notes on ingredients, common mistakes, and serving suggestions.
MNMichał Nowak12 min
September 6, 2026
GuidesBeefsteak Fungus — Where Does It Grow, When to Look for It, and How to Identify It?
Beefsteak fungus doesn't grow just anywhere or at just any time of year — it's a species tied almost exclusively to one kind of tree and a narrow window in the calendar. That predictability, combined with a strikingly distinctive appearance, makes it one of the safer forest mushrooms to identify on your own — as long as you know what to look for, what gear to bring, and what to expect at each stage of the fruiting body's growth.
MNMichał Nowak14 min
September 6, 2026
GuidesMilk Thistle and Liver Health: What Does the Research Actually Show?
Milk thistle — or more precisely, the silymarin it contains — is one of the best-selling "liver" supplements in the world, marketed as natural protection against alcohol, medication, and fatty food. The evidence is far more mixed than the label suggests: silymarin lowers liver enzymes in meta-analyses of nonalcoholic fatty liver disease, yet in one of the best-designed trials on chronic hepatitis C, even high doses performed no better than placebo, and a Cochrane review found no confirmed effect on mortality in high-quality trials.
MNMichał Nowak13 min
September 4, 2026
GuidesGinkgo Biloba, Memory, and Circulation: What Do Large Trials Show?
The ginkgo tree is one of the oldest living tree species on Earth and one of the best-selling "nootropics" on the market, marketed as boosting memory, focus, and circulation. Large, multi-year clinical trials paint a surprisingly split picture: in healthy people and for dementia prevention, rigorous trials found no effect, while in patients with already-diagnosed cognitive impairment, used alongside standard treatment, it shows a measurable, if modest, improvement.
JWJulia Wiśniewska14 min
September 4, 2026
GuidesL-Carnitine and Fat Burning: Does the "Fat-to-Mitochondria Transporter" Actually Work?
L-carnitine has been sold for decades as a "fat burner" — a substance said to transport fat directly into mitochondria to be burned for energy. The biochemical mechanism is real, but a well-designed trial combining carnitine with aerobic training in women found no difference in fat loss versus placebo, while a meta-analysis of 37 trials shows only a modest, if repeatable, effect on body weight. We check what the data actually confirm versus what's just a logical but unproven marketing hypothesis.
MNMichał Nowak13 min
September 4, 2026
GuidesTongkat Ali and Testosterone: What Does the Research Show About This Popular "Booster"?
Tongkat Ali (Eurycoma longifolia), also known as "Malaysian ginseng," is one of the most promising natural "testosterone boosters" in supplementation — and one of the few backed by actual human trials rather than just animal models. A randomized trial in aging men showed a significant testosterone increase at a 200 mg daily dose, and a trial in stressed subjects recorded a 37% testosterone increase alongside a drop in cortisol. A meta-analysis confirms the direction of the effect, but rests on just five trials — we check how far these results can be generalized.
PZdr Piotr Zieliński13 min
September 4, 2026
GuidesDHEA After 40: Does Supplementing the "Youth Hormone" Make Sense?
DHEA (dehydroepiandrosterone) is a hormone produced by the adrenal glands whose level steadily declines from around age 25 — by age 70 it can be as much as 80% lower than in youth. This decline has made DHEA one of the most commonly supplemented "youth hormones" in the United States, where it's sold over the counter. But the largest, two-year randomized trial, published in the New England Journal of Medicine, found no evidence that supplementation restores muscle strength, improves body composition, or improves insulin sensitivity in aging men and women. We check where the evidence actually ends and the marketing begins.
PZdr Piotr Zieliński14 min
September 4, 2026
GuidesSemaglutide (Ozempic, Wegovy): What Do the Trials Actually Show About Side Effects?
Semaglutide, sold as Ozempic (diabetes) and Wegovy (weight loss), became within a few years one of the most prescribed and most talked-about drugs in the world. The promise — double-digit percentage weight loss without a restrictive diet — is backed by solid registration trials. Far less discussed is what those same trials showed on the other side of the ledger: who tolerates the drug poorly, what rare but serious complications large database analyses have flagged, and why part of the lost body weight isn't just fat.
PZdr Piotr Zieliński14 min
September 4, 2026
GuidesHMB and Muscle Loss: When Does This Supplement Actually Make Sense?
HMB (β-hydroxy β-methylbutyrate), a leucine metabolite, is often marketed as a universal muscle-protecting supplement — for athletes building mass and seniors worried about sarcopenia alike. The research shows a clear split: in healthy, regularly training young adults the effect is negligible, while in strongly catabolic situations — immobilization, old age, illness — the evidence for muscle protection is considerably stronger. This distinction gets lost in most marketing material.
MNMichał Nowak13 min
September 4, 2026
GuidesGlycine and Sleep Quality: What Does the Research on This Simple Amino Acid Show?
Glycine is the simplest of the protein-building amino acids — and, as a handful of small but consistent studies from Japan show, taken at a 3g dose before bed it may shorten time to fall asleep, improve subjective sleep quality, and reduce next-day sleepiness. This topic is regularly confused with a completely different question: choosing between magnesium glycinate and magnesium citrate. Here we're talking about something else entirely — glycine itself, taken as a free amino acid, independent of any mineral salt.
JWJulia Wiśniewska12 min
September 4, 2026