By Nadia Steinle.
If you are interested in health and fitness or spend time on TikTok or Instagram, you have probably seen terms like GLP-1s, peptides, cutting mixes, colostrum, and sea moss. These products are often marketed as quick fixes for fat loss, muscle gain, injectable solutions to make you naturally tanner, or better gut health and clear skin. It is easy to trust these claims and buy them without checking the label or the science behind them.
Social media is saturated with misleading health claims and product marketing targeting people as they scroll, so let’s take a closer look at what these trends actually are and separate fact from fiction.
GLP-1 Medications
Social Media Claim:
“GLP-1 medications are an easy, quick fix for weight loss without needing to change diet or exercise.”
True vs. False:
GLP-1 medications mimic glucagon-like peptide-1, helping to slow gastric emptying, increase fullness, and regulate blood sugar. While they can support clinically significant weight loss, they are not a replacement for balanced nutrition and regular exercise. Lifestyle habits remain essential for preserving muscle mass and maintaining long-term results.
For individuals who do not meet clinical criteria, misuse may negatively impact metabolic health. This can include excessive appetite suppression, inadequate nutrient intake, and loss of lean muscle mass, which can impair metabolism over time.
A major social media trend is “GLP-1 supplements” such as Lemme GLP-1 Daily by Lemme. These are often marketed as natural alternatives to medications like Ozempic, but this is misleading.
- They do not contain GLP-1 or act as GLP-1 receptor agonists.
- They use ingredients like lemon extract and saffron, often supported only by small or isolated studies.
- There is no strong clinical evidence that “boosting GLP-1 naturally” leads to meaningful or sustained weight loss.
In contrast, prescription GLP-1 medications directly target GLP-1 receptors and are supported by extensive clinical trials.
Bottom Line:
Products like Lemme are marketed to sound equivalent to GLP-1 medications, but they differ significantly in mechanism, regulation, and effectiveness, and are unlikely to produce clinically meaningful fat loss.
Benefits When Medically Prescribed:
Clinically significant weight loss, improved blood glucose control, and improved cardiometabolic health markers.
Side Effects and Risks:
Nausea, vomiting, and gastrointestinal discomfort are common. Risks increase without supervision and may include inadequate nutrition, lean mass loss, and exposure to unregulated products.
References:
Codella, R., et al. (2025). GLP-1 receptor agonists and exercise: The future of lifestyle prioritization.
Rossi, G., et al. (2025). Muscle loss and GLP-1 receptor agonist use.
Ceasovschih, A., et al. (2025). Effects of GLP-1 receptor agonists on body composition.
Langer, H. T., et al. (2026). Weight loss with GLP-1 medicines and muscle outcomes.
Peptides
Social Media Claim:
“Peptides are a safe and effective way to build muscle, burn fat, look better, and speed up recovery.”
True vs. False:
Peptides are short chains of amino acids that can act as signaling molecules in the body. Some peptides are used in medical settings, but many promoted online for fat loss, muscle growth, or recovery are not approved or well-researched for these purposes. A large portion of peptides sold online may be unregulated, and products can have unclear dosing, purity, or safety standards.
Benefits When Medically Prescribed:
When used in clinical settings under supervision, certain peptides may support specific medical needs, such as hormone deficiencies or healing-related conditions. However, this does not mean that all peptides sold online are safe or effective for fitness goals.
Side Effects and Risks:
For individuals using peptides without medical supervision or purchasing them online, risks include unknown long-term health effects, hormonal imbalances, contamination, incorrect dosing, and legal or sport-related safety concerns.
References:
Dawson, S. W., et al. (2025). The regulation on the use of supplements for weight control.
Phan, D. T. A., et al. (2025). A systematic review and meta-analysis of pharmaceutical adulterants in weight-loss dietary supplements.
Wardenaar, F. C., et al. (2025). Unpacking global nutritional supplement safety.
Schott, K. D., et al. (2025). Cross-validation of the Safe Supplement Screener.
Colostrum Supplements
Social Media Claim:
“Colostrum supplements improve immunity, gut health, and muscle growth for everyone.”
True vs. False:
If you don’t actually know what Colostrum is, it's the first form of milk produced after birth and contains immune and growth factors. While bovine colostrum may have some benefits for athletes or specific gut-related conditions, research in healthy adults is still limited and mixed. Claims about major muscle-building effects or guaranteed immune benefits for everyone are overstated.
Benefits:
Some studies suggest colostrum may support gut permeability in athletes, immune function in certain active populations, and recovery in specific contexts. However, more well-designed clinical trials are needed before making broad claims for the average healthy adult.
Side Effects and Risks:
Possible risks include digestive discomfort, issues for people with dairy sensitivities, high cost, and limited proven benefit for the average person. There is not enough high-quality evidence to recommend colostrum as a guaranteed supplement for immunity, gut health, or muscle growth in all healthy adults.
Peer-Reviewed Sources:
Dziewiecka, H., et al. (2022). A systematic review of the influence of bovine colostrum supplementation on intestinal permeability in athletes.
Yalçıntaş, Y. M., et al. (2024). Exploring the impact of colostrum supplementation on athletes.
Hajihashemi, P., et al. (2024). Therapeutic effects of bovine colostrum applications on gastrointestinal diseases: A systematic review.
Khan, T. S., et al. (2024). Bovine colostrum: Therapeutic potential and clinical evidence.
Sea Moss
Social Media Claim:
“Sea moss contains 92 minerals and can improve overall health, metabolism, and immunity.”
True vs. False:
Sea moss, also known as Irish moss or Chondrus crispus, contains some vitamins, minerals, and bioactive compounds. However, the claim that it contains “92 minerals” is not well-supported by scientific evidence and is often used as a marketing tactic. The stronger evidence supports sea moss as a source of iodine and other compounds, but not as a guaranteed way to improve metabolism, immunity, or overall health.
Benefits:
Sea moss may contribute iodine and small amounts of micronutrients. Iodine is important for thyroid hormone production, but more is not always better.
Side Effects and Risks:
Excess iodine intake can disrupt thyroid function. Sea moss may also contain heavy metals depending on where it is grown and how it is processed. Product quality can vary because supplements are not regulated as strictly as medications.
Peer-Reviewed Sources:
Park, S.-J., Sharma, A., & Lee, H.-J. (2024). An update on the chemical constituents and biological properties of selected species of an underpinned genus of red algae: Chondrus. Marine Drugs, 22(1), 47.
Darias-Rosales, J., et al. (2020). Risk assessment of iodine intake from the consumption of red seaweeds. EFSA Panel. (2024). Risk assessment of complex organoarsenic species in food.
Cutting Mixes, Fat Burners, and Pre-Workout Stacks
Social Media Claim:
“Cutting mixes can quickly burn fat and help you achieve a lean, defined physique.”
True vs. False:
Fat loss is primarily driven by a caloric deficit, not supplements. While many cutting mixes contain stimulants like caffeine, which can slightly increase energy expenditure, alertness, and workout performance, they do not produce meaningful or sustained fat loss on their own. Marketing often exaggerates fat-burning effects, and products trending online may be promoted without clear transparency on ingredients, dosages, or scientific backing.
Benefits:
Possible benefits include increased energy and alertness during workouts, temporary improvement in focus and perceived performance, and a minor short-term increase in metabolic rate due to stimulants.
Side Effects and Risks:
Often promoted on TikTok in brightly packaged “pink and yellow box” products as a fast-track to weight loss, these high stimulant doses can lead to anxiety, jitters, heart palpitations, sleep disruption, potential dependency on stimulants for workouts, and possible exposure to undisclosed or under-regulated ingredients. Weight-loss supplements and performance supplements have also been linked to adulteration and contamination concerns.
Peer-Reviewed Sources:
Phan, D. T. A., et al. (2025). A systematic review and meta-analysis of pharmaceutical adulterants in weight-loss dietary supplements.
Dawson, S. W., et al. (2025). The regulation on the use of supplements for weight control.
Wardenaar, F. C., et al. (2025). Unpacking global nutritional supplement safety.
Schott, K. D., et al. (2025). Cross-validation of the Safe Supplement Screener.
The Bottom Line
Many of these products are heavily marketed as fast solutions, but most are either overhyped, misunderstood, or lack strong scientific support. While some may have a place in specific medical or performance contexts, they are not substitutes for foundational health behaviors. Look out for influencer marketing, lack of transparency, unrealistic before-and-after claims, no third-party testing, unclear dosing, and products that promise fast results with little effort. If it sounds too good to be true, it probably is.
