What clinical trials support the weight-loss efficacy of each ingredient in the gelatin?

Checked on January 7, 2026
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Executive summary

Clinical trial evidence directly supporting gelatin’s short‑term appetite effects exists, but larger trials show no durable weight‑maintenance benefit; the broader “gelatin trick” formula promoted by a supplement company bundles ingredients (green tea extract, apple cider vinegar, berberine HCL, ginger, cinnamon, chromium) whose clinical support is variable and not documented in the supplied reporting [1] [2] [3]. Industry press releases and wellness writeups amplify mechanistic plausibility and small, inconsistent studies while overstating real‑world, long‑term effectiveness [2] [4].

1. Gelatin — satiety signals proven short term, no lasting weight maintenance

A randomized trial comparing gelatin‑enriched protein diets found stronger hunger suppression and lower short‑term energy intake for gelatin versus other proteins, but over a four‑month weight‑maintenance window gelatin did not improve long‑term body‑weight outcomes compared with milk‑protein controls [1]. Medical summaries note that gelatin’s utility is plausibly tied to its protein content and low calorie density—mechanisms that can help with immediate fullness—but they stop short of claiming unique or durable fat‑loss effects [5]. Preclinical or delivery‑method studies (for example, experimental microneedle delivery of gelatin in animals) hint at anti‑obesity pathways but are not clinical proof of oral‑gelatin weight loss in humans [6].

2. Green tea extract — plausible thermogenesis but absent from provided clinical citations

The supplied reporting lists green tea extract among the Laellium formula ingredients but does not include specific clinical trials documenting its weight‑loss efficacy within the gelatin protocol [2]. Independent literature outside these sources often shows small effects of green tea catechins on metabolic rate, yet that evidence is not cited in the materials provided and so cannot be claimed here based on the supplied reporting [2].

3. Apple cider vinegar (ACV) — widely discussed, not proven in these sources

ACV appears in the ingredient list promoted by the supplement company, framed as supporting blood‑sugar balance and satiety [2]. The supplied reporting and viral trend pieces reference anecdotal benefits and mechanistic claims [7] [8], but no controlled clinical trials for ACV within the gelatin mixtures are provided among the sources, so trial‑level support cannot be confirmed from this dataset [2] [7].

4. Berberine HCL — clinical potential exists broadly, but not shown here

Laellium’s materials include berberine HCL as a research‑supported ingredient for metabolism [2]. The current set of articles and press releases make that assertion but do not provide the specific randomized controlled trials or meta‑analyses to substantiate berberine’s weight‑loss efficacy in the gelatin context; therefore confirmation would require consulting the primary clinical literature beyond the supplied sources [2].

5. Ginger root and cinnamon bark — traditional use, limited trial info in supplied reports

Ginger and cinnamon are listed as supporting ingredients in the promotional materials and wellness blogs, which claim effects on appetite, digestion, or blood‑sugar control [2] [7]. Those claims appear in marketing and lifestyle coverage rather than being tied to trial citations in the provided reporting, so clinical evidence for measurable weight loss from these compounds within the gelatin protocol is not documented here [2] [7].

6. Chromium picolinate — contested small‑effect literature not cited here

Chromium is another component named by the company as supporting glycemic balance [2]. While chromium has a long history of small, mixed findings in metabolic studies, none of the supplied sources produces the clinical trials necessary to adjudicate efficacy for weight loss in the gelatin recipes; the company’s materials assert research backing but the underlying trials are not reproduced in the reporting provided [2].

7. How to read the mix of evidence and marketing

The pattern across these sources is clear: randomized clinical data directly supporting gelatin’s short‑term satiety effects exist and are cited [1], but the broader multi‑ingredient “gelatin trick” is promoted by supplement industry releases (Laellium) and lifestyle outlets that conflate mechanistic plausibility, small studies, and user anecdotes without providing the primary trials for every ingredient in this combined protocol [2] [9] [4]. Independent critical coverage warns that gelatin’s apparent benefit is not unique and that sustainable weight loss requires consistent calorie control and behavior change—context largely absent from viral posts [3] [4].

Limitations: the supplied reporting does not include head‑to‑head randomized controlled trials testing the full gelatin recipe with each listed adjunct ingredient; verifying ingredient‑specific clinical efficacy therefore requires consulting primary clinical trials and meta‑analyses beyond these sources [2] [1].

Want to dive deeper?
Which randomized controlled trials have tested collagen or gelatin supplements for weight loss or body‑composition changes in adults?
What meta‑analyses exist on green tea catechins, berberine, and chromium for weight loss and glycemic control?
How do supplement company press releases compare with peer‑reviewed trial evidence for multi‑ingredient weight‑loss products?