Reishi for immunity, stress, and sleep. What clinical studies have shown, where results were statistically insignificant, and which medications the mushroom may interact with.

What studies really show about glucosamine, collagen, and CBD for joints. Results from large RCTs, meta-analyses, and guidelines, without marketing promises.

In 2026, EFSA set a temporary safe level for CBD: 0.0275 mg/kg, which is about 2 mg daily for a 70 kg person. Check what the studies say.

CBD flower consists of the inflorescences of industrial hemp below the threshold of 0.3% THC. How does it differ from marijuana, how to brew it, and how much cannabidiol reaches from it.

How many milligrams of CBD does a drop of oil contain, what doses were given in clinical studies, and where the EFSA set a provisional safety limit.

How much EPA and DHA to take daily, how to calculate the dose from the label, and what large omega-3 studies have really shown. Interactions with medications, limits, and choosing a supplement.

Does CBD relieve back and joint pain? In 15 out of 16 randomized trials, it did not perform better than placebo. We discuss Cochrane 2026, CANBACK, and the Vela trial 2022.

A review of 87 studies found no effect of CBD on anxiety in 70.3% of observations. We check what was measured in the protocols and why this cannot be made into a recommendation.

Collagen for joints and skin: 7 products from the u Bucha offer in a table, cost of 10 g of collagen, doses confirmed by studies, and the real time for effects.

How much curcumin is in the spice, under what conditions the famous 2000% increase with piperine was measured, what meta-analyses show regarding joint pain, and what risks have been described.

Berberine lowers glycemia and lipids, but it is not a substitute for metformin. What clinical studies have shown, how it inhibits liver enzymes, and who should avoid it.

Bovine colostrum under the microscope of research: how much IgG really survives digestion, what trials have shown in athletes, whether it raises IGF-1, and who should not use it.