Do Pre-Workout Supplements Actually Help?

Pre-workout supplements make big promises to boost your performance, and with those promises come high price tags. You supposedly get a burst of energy, fatigue less easily, and increase blood flow, all to help you get more out of your workout. The thing is, these supplements are really just powerful stimulants.

Source: Do Pre-Workout Supplements Actually Help?

I know some who buy the raw ingredients cheap, and mix them themselves. They work out after work, so they don’t have to worry about caffeine messing with their sleep.

Sunlight and Body Heat Make Vitamin D Inside Your Skin

Many people don’t get enough vitamin D in their food. They still get enough vitamin D, because ultraviolet radiation creates it—usually.

Source: Sunlight and Body Heat Make Vitamin D Inside Your Skin

If you’re as fair-skinned as the average northern European, you only need about 20 minutes per day.  All you have to show is an area of skin about the size of your face.

Without vitamin D from sunlight exposure, lactose assists with the use of calcium. So, cultures with easy access to leafy greens plus sunlight or fish, calcium is taken care of and milk has no advantage. Cultures without access to leafy greens, sunlight or seafood need dairy either as a source of calcium, lactose, or both.  You can read more about it in a previous post.