FAQs

What is OsoLean powder?

OsoLean powder is an all-natural protein blend that in a clinical study helped target fat loss while sparing lean muscle, when combined with a reduced-calorie diet such as the OsoLean Plan and proper exercise.*

How is OsoLean powder different from ordinary whey proteins?

Most whey protein is simply that—whey. In developing OsoLean powder, Mannatech secured a patented process where specific parts of whey protein, called peptides, are separated and concentrated to ensure the optimal level of fat-loss peptides.* Mannatech's OsoLean powder also contains sialic acid, a sugar found in glycoproteins.

What ingredients are in OsoLean powder?

OsoLean powder is a specially formulated whey protein blend that includes an advanced protein peptide technology, which helps the body burn fat while maintaining lean muscle.*

How much protein is in each serving of OsoLean powder?

Each serving (2 scoops or 1 packet) of OsoLean powder contains 10 grams of protein.

How do I use OsoLean powder?

Mix 2 scoops or 1 packet (12.2 grams) in 8 fluid ounces of liquid or add to food twice daily. For best results, take OsoLean powder with 8 fluid ounces of liquid 20 minutes before breakfast and 20 minutes before dinner. OsoLean powder can be mixed directly into beverages and sprinkled over foods.

Can I use OsoLean powder in food?

Yes! Mannatech's OsoLean powder blends perfectly with countless foods right before serving. However, for best results we suggest following the recommended directions for use—with 8 fliud ounces of liquid 20 minutes before breakfast and 20 minutes before dinner.

Can I add OsoLean powder to the GlycoSlim drinks?

Yes!

What can I mix OsoLean powder in?

OsoLean powder mixes well with virtually anything. It goes well with beverages such as coffee, milk, meal replacement shakes and fruit juices—even plain water. OsoLean powder also mixes well with cereal, yogurt and soups.

Is the soy lecithin in OsoLean powder non-GMO?

Yes. Mannatech's OsoLean powder is made with non-genetically modified (or non-GMO) soy lecithin.

I'm lactose intolerant. Can I take OsoLean powder?

There is a small amount of lactose in OsoLean powder, but it is significantly less than what is found in an eight-ounce glass of milk. Since the effects of lactose intolerance vary with each person, consult your healthcare practitioner with any concerns regarding OsoLean powder.

I'm allergic to casein. Can I use OsoLean powder?

Mannatech's OsoLean powder is a whey protein supplement, but it may contain trace amounts of casein. Testing for the presence of casein has not been performed. Anyone with allergies to casein should discuss use of this product with their personal healthcare professional.

Does OsoLean powder contain gluten?

Mannatech's OsoLean powder is gluten-free.

What does OsoLean powder taste like?

OsoLean powder tastes similar to dairy products such as skim milk.

Can OsoLean powder be used during pregnancy?

Mannatech's OsoLean powder is designed for use by adults who want to lose fat and spare lean muscle, when used in conjunction with a reduced-calorie diet and proper exercise.* Due to the high nutritional demands of pregnancy, expectant mothers who wish to use OsoLean powder should discuss its use and the accompanying lifestyle changes with their personal healthcare professional to determine if it is appropriate for them.

Can OsoLean powder be used by nursing mothers?

Mannatech's OsoLean powder is designed for use by adults who want to lose fat and spare lean muscle, when used in conjunction with a reduced-calorie diet and proper exercise.* Due to the high nutritional demands of breastfeeding, nursing mothers who wish to use OsoLean powder should discuss its use and the accompanying lifestyle changes with their personal healthcare professional to determine if it is appropriate for them.

Can children use OsoLean powder?

Mannatech's OsoLean powder was not developed for use by children. If a parent would like for his/her child to use this product, use of OsoLean powder and the accompanying lifestyle changes of calorie reduction and proper exercise should be discussed with the child's healthcare professional.

I have had weight-reduction surgery. Can I use OsoLean powder?

Weight-reduction surgery is always very serious. Any changes to diet or exercise, especially those recommended with use of OsoLean powder, should be discussed with your personal healthcare professional who is most familiar with your medical history and current lifestyle program.