Step 1: Check the Ingredient Label
The single most important factor is label transparency. You should be able to see every ingredient and its exact dosage. If a product hides behind “proprietary blends,” that is a significant red flag — you have no way to know if ingredients are included at effective amounts.
Step 2: Look for Third-Party Testing
Reputable brands have their products independently tested for purity, heavy metals, and label accuracy. Look for certifications from organizations like NSF International, Informed Sport, or independent lab test results.
Step 3: Evaluate the Health Claims
Be cautious of products making bold claims like “guaranteed results” or “clinically proven.” Responsible brands use language like “may support” or “designed to help” rather than making absolute promises.
Step 4: Compare Value, Not Just Price
The cheapest option is rarely the best value. Calculate the price per serving and compare what you get: number of ingredients, dosage quality, and whether it replaces other supplements you currently buy.
Green Flags
- Full ingredient transparency with specific dosages
- Third-party tested with certificates of analysis available
- GMP-certified manufacturing facility
- Clear sourcing and supply chain information
- Reasonable, cautious health messaging
- Satisfaction guarantee (60-90 days minimum)
Red Flags
- Proprietary blends that hide ingredient dosages
- Exaggerated health claims ('cures', 'guaranteed results', 'clinically proven weight loss')
- No third-party testing or quality certifications
- Missing or vague ingredient sourcing information
- No money-back guarantee
- Pressure tactics like fake countdown timers
Our Top Pick
Based on our evaluation criteria, IM8 scores well for ingredient transparency, formulation quality, and value. Read our full IM8 review or save with our exclusive SUPERFOOD8 code.