Index/Topics/Randomized Controlled Trials

Randomized Controlled Trials

The use of randomized controlled trials to study the effects of collagen supplementation on appetite regulation and body composition.

Fact-Checks

13 results
Jan 16, 2026
Most Viewed

What does randomized evidence say about Genicular Artery Embolization versus sham or standard care for knee osteoarthritis?

Randomized evidence on genicular artery embolization (GAE) for knee osteoarthritis shows short-term pain reductions in some trials versus sham procedures, especially on visual analogue scale (VAS) mea...

Jan 19, 2026

Are there peer‑reviewed studies on gelatin or collagen supplements and appetite control or weight loss?

Yes — there are peer‑reviewed human studies and randomized trials testing gelatin or collagen (often labelled collagen peptides or hydrolysed gelatin) for effects on appetite regulation and body compo...

Jan 18, 2026

What randomized evidence exists on cardiovascular outcomes after planned discontinuation of GLP‑1 therapy?

Randomized trial data directly assessing cardiovascular outcomes after a planned, protocolized discontinuation of GLP‑1 receptor agonists are scarce: most randomized controlled trials (RCTs) report ca...

Jan 17, 2026

Which randomized trials have measured intramuscular NAD+ directly after NMN or NR supplementation?

Randomized trials of NMN and NR in humans have repeatedly measured blood and peripheral-blood-cell NAD+ metabolites, urine excretion products, and downstream muscle function or protein markers, but th...

Jan 16, 2026

What randomized controlled trials compare gelatin or collagen supplements directly with whey or casein for short‑term appetite and energy intake?

Randomized controlled trials directly comparing gelatin or collagen with whey or casein for short‑term appetite and energy intake are limited but informative: a 2009 randomized breakfast study found g...

Jan 16, 2026

What large randomized controlled trials of hydrogen-rich water are currently registered or recruiting?

Large, definitive randomized controlled trials (RCTs testing hydrogen‑rich water (HRW) are scarce: most human trials to date are small, pilot or mid‑sized RCTs (tens of participants), with systematic ...

Jan 14, 2026

Has any peer‑reviewed randomized controlled trial been published for MemoBlast or Memory Blast?

No peer‑reviewed randomized controlled trial (RCT) for the dietary supplement MemoBlast (also marketed as Memory Blast in some outlets) is documented in the provided reporting: consumer reviews note a...

Jan 12, 2026

What randomized clinical trials exist for cinnamon, chromium, and ginseng in type 2 diabetes management?

Randomized clinical trials (RCTs) testing cinnamon, chromium, and ginseng for type 2 diabetes (T2D) are numerous but heterogeneous: cinnamon has been evaluated in many small RCTs and several meta-anal...

Jan 11, 2026

How reliable are user testimonials and marketplace reviews for evaluating supplement efficacy?

User testimonials and marketplace reviews are poor substitutes for controlled scientific evidence when judging whether a supplement actually works: they are anecdotal, subject to placebo effects and s...

Jan 8, 2026

How do different types and dosages of honey compare to isocaloric sugar controls in human randomized trials?

Randomized human trials that directly compare honey to isocaloric sugar controls show a mixed picture: some trials and meta-analyses suggest modest cardiometabolic advantages for certain honey regimen...

Jan 8, 2026

Which green tea extract doses and formulations produced the largest clinically meaningful weight changes in long‑term RCTs?

High‑dose isolated EGCG (around 856.8 mg/day) and green tea catechin formulations combined with caffeine have produced the largest measurable changes in short‑to‑moderate duration randomized controlle...

Jan 7, 2026

What evidence exists from modern randomized trials on farm- or nature-based addiction treatments versus medication-assisted treatment?

Modern randomized trials provide strong, consistent evidence that medication-assisted treatment (MAT) — methadone, buprenorphine, and extended‑release naltrexone — reduces opioid use, retention failur...

Jan 5, 2026

What randomized clinical trials exist testing TMS specifically for chronic tinnitus and what were their outcomes?

A substantial body of randomized controlled trials has tested repetitive transcranial magnetic stimulation (rTMS/TMS) for chronic tinnitus, ranging from small, single‑site experiments to larger random...